Choose the best answer about the reported speech

'Pollution is one of the problems in my neighborhood' Nam said.

• Nam said (that) pollution has been one of the problems in his neighborhood.

• Nam said (that) pollution was one of the problems in his neighborhood.

• Nam said (that) pollution is being one of the problems in his neighborhood.

• Nam said (that) pollution is one of the problems in him neighborhood.

'More people are aware of the preservation of natural resources’ the editor said.

• The editor said (that) more people are being aware of the preservation of natural resources.

• The editor said (that) more people have awared of the preservation of natural resources.

• The editor said (that) more people were aware of the preservation of natural resources.

• The editor said (that) more people had been aware of the preservation of natural resources.

'We are discussing the protection of the natural environment’ the students told their teacher.

• The students told their teacher that they was discussing the protection of the natural environment.

• The students told their teacher that they have been discussing the protection of the natural environment.

• The students told their teacher that they will be discussing the protection of the natural environment.

• The students told their teacher that they were discussing the protection of the natural environment.

'Use the web search engine to find the information that you need” Nam's father told him.

• Nam's father told him used the web search engine to find the information that he needed.

• Nam’s father told him to use the web search engine to find the information that he needed.

• Nam's father told him to using the web search engine to find the information that he was needing.

• Nam's father told him to use the web search engine to find the information that he was being needed.

'It's confusing because there are too many web pages about the environment’ Nam said.

• Nam said (that) it was being confused because there were too many web pages about the environment.

• Nam said (that) it was confusing because there were too many web pages about the environment.

• Nam said (that) it has been confusing because there were being too many web pages about the environment.

• Nam said (that) it will have been confusing because there were too many web pages about the environment.

'Air pollution is one of the causes of the greenhouse effect’ scientists said.

• Scientists said (that) air pollution were one of the causes of the greenhouse effect.

• Scientists said (that) air pollution had been one of the causes of the greenhouse effect.

• Scientists said (that) air pollution will be one of the causes of the greenhouse effect.

• Scientists said (that) air pollution was one of the causes of the greenhouse effect.