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".

[Q]: Since Joseph had a phobia of spiders and Adam loved them, _ refused to buy a pet tarantula. (A) Joseph (B) Adam
[A]: A


[Q]: The brutal boxing match was suitable for Christopher but not Samuel because _ did damage to his opponent. (A) Christopher (B) Samuel
[A]: A


[Q]: Carrie regretted visiting Samantha while she was sick at home as _ now had the same fever and a runny nose just like her friend. (A) Carrie (B) Samantha
[A]:
A