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".

Eating sweets was a big problem for Carrie but not for Rebecca, thats why _ has a small waistline. (A) Carrie (B) Rebecca
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

Because Betty works diligently on homework but Rebecca skips them,  _ always makes bad grades. (A) Betty (B) Rebecca

B