Q: In this task, you will be shown a conversation and a question. You need to answer the question and choose the correct option based on the conversation. "W" and "M" in the conversations stand for "woman" and "man".
M: I haven't heard from my sister since last month. W: Don't worry, Charlie. Letters from the United States can be slow sometimes., Question: What can we learn about the man from the conversation? (A) He is anxious to see his sister. (B) He wrote to his sister last month. (C) He is expecting a letter from his sister.
A:
(C) He is expecting a letter from his sister.