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".
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Question: The man wrote letters in the Army, but didn't send packages. That's because it is expensive to send _ . (A) letters (B) packages

Answer: B

Question: The bits of sand in clam chowder bothered Justin, but it didn't bother Brian because _ didn't understand that the sand means that it's fresh. (A) Justin (B) Brian

Answer: A

Question: Samantha was not used to the altitude but Sarah was, so _ fainted at the summit. (A) Samantha (B) Sarah

Answer:
A