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".

Lindsey wanted a bite of Betty's blueberry yogurt so _ asked if she could have some. (A) Lindsey (B) Betty
A

The medical exam for the broken arm was longer than the exam on the heart because the _ was a serious problem. (A) heart (B) arm
B

I had a hard time backing out of my space in the parking garage because a truck had parked next to me and the _ was quite narrow. (A) truck (B) space
B