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".

Monica had small muscles compared to Rachel when it came to weight lifting so _ lifted heavier weights. (A) Monica (B) Rachel
B

The man decided to pay for the groceries with a credit card, instead of a check because the _ is much slower to use. (A) credit card (B) check
B

The librarian tried to store the old books on the shelves but the _ were too small. (A) shelves (B) books

A