In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".

Brian didn't want to dissect the cow brain with Benjamin, because _ thought they could find a better lab partner. (A) Brian (B) Benjamin
A

Kyle was listening to Ian tell him about these vitamins he was taking.  _ was cheerful about them. (A) Kyle (B) Ian
B

Sarah was very good at geometry while Victoria was very bad at it. _ failed the test. (A) Sarah (B) Victoria

B