Punctuating Parenthetical Elements

Choose the best punctuation for this sentence:

Dr. Jonas Salk 1914-1995 discovered a cure for polio.

• Salk 1914-1995, discovered

• Salk, (1914-1995), discovered

• Salk (1914-1995) discovered

• Salk - 1914-1995 - discovered

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Polio a disease that struck fear in parents was a terrible illness that could cripple children.

• Polio, a disease that struck fear in parents, was

• Polio, a disease that struck fear in parents - was

• Polio (a disease that struck fear in parents), was

• Polio - a disease that struck fear in parents, was

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Jonas Salk’s parents immigrants with little formal education themselves were determined that their children would succeed.

• parents - (immigrants with little formal education themselves) were

• parents immigrants with little formal education themselves, were

• parents immigrants with little formal education themselves - were

• parents (immigrants with little formal education themselves) were

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At medical school, Salk began researching influenza the virus that causes the flu.

• influenza the virus, that causes the flu.

• influenza - the virus - that causes the flu.

• Influenza (the virus) that causes the flu.

• influenza, the virus that causes the flu.

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Salk’s discovery of a polio vaccine for which he refused to accept money won him the admiration of all Americans.

• vaccine, for which he refused to accept money - won

• vaccine - for which he refused to accept money - won

• vaccine - (for which he refused to accept money) won

• vaccine for which he refused to accept money, won

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The Washington Monument built between 1848 and 1884 was damaged by an earthquake.

• Monument, built between 1848 and 1884 - was damaged

• Monument (built between 1848 and 1884 was) damaged

• Monument, built between 1848 and 1884, was damaged

• Monument built between (1848 and 1884) was damaged

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Green lizards which were very rare in the area sat up on the stones in the sunlight and blinked at us.

• lizards (which were very rare in the area) sat

• lizards which were very (rare in the area) sat

• lizards (which were very rare) in the area sat

• lizards - which were very - rare in the area sat

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Then one of them, the leader a little man stood up and turned to the judge.

• the leader - a little man stood up -

• the leader - a little man - stood up

• the leader a little man - stood up

• the leader (a little man stood up)

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John Philip Sousa an American composer was famous for his patriotic marches.

• Sousa an American composer - was famous

• Sousa (an American composer was) famous

• Sousa (an American composer) was famous

• Sousa (an American) composer was famous

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Mr. Jones who likes to play golf is a candidate for mayor.

• Jones, who likes to play golf, is

• Jones - who likes to play golf, is

• Jones, (who likes to play golf), is

• Jones, who likes to play golf is,