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".

When Betty gave a speech, Christine laughed and heckled. The teacher gave _ a prize. (A) Betty (B) Christine
A

Logan only had a hamster as a pet while Hunter had a dog because _ preferred large animals. (A) Logan (B) Hunter
B

Eric ruined their sewing machine but not Hunter because _ was careful with their possessions. (A) Eric (B) Hunter

B