Question

Which sentence uses consistent verb tenses in telling a story?

Answer 1

If you want to use consistent verb tenses in telling a story, that means you have to use the same tense, or at least they all should be in the past/present/future, depending on the first verb in the sentence. Here, the correct answer is:
B) I met Rob for the first time in the school infirmary, and he smiled at me even though he was clearly in pain. 

Answer 2

B. I met Rob for the first time in the school infirmary, and he smiled at me even though 
he was clearly in pain.