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".

Mary needed the help of Christine to navigate getting their name changed on a social security card, so _ asked for help. (A) Mary (B) Christine
A

Sarah went to the hairdresser, she got a new hair cut for shorter length but no color. The _ was the same. (A) color (B) length
A

The rail service had problems but the bus service did not because the _ service was very regular. (A) rail (B) bus

B