(19) My mother shrieked about approaching strange animals and warned me. (20) The cat’s response wasn’t much better. (21) He hissed and jerked away, acting as if I had offended him. (22) Subway Cat and I never got very close to each other after that. (23) Over time we formed a sort of friendship. (24) I would stare at him. (25) He would stare at me.
Which transition word or phrase could BEST be added to the beginning of sentence 23? (a)