Answer:
I know every student did his or her best on the test.
You can often tell what a word means by its context in a sentence.
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.
Einstein was different than the other children. He was slower with little possibility of achievement and he appeared to show no promising future. The genius in his youth, did not exhibit the exceptional and phenomenal mind that he is now known for.
