W: Are you all right, Mark? Is anything wrong? M: I'm so homesick, I could die. All this studying, all this pressure, I just can't stand it. W: It takes time to get used to all this. M: Yes. But, you know, I lost sleep last night. W: It seems like you've really got the blues. Have you heard from home recently? M: It's been almost a month since I got a letter from my mum. I'm going to write to her and explain the situation. By the way, do you have an envelope that I can borrow? W: Sorry, I don't have any. I hardly ever send any letters. M: The bookstore is closed today. Is there another place I can get some stamps? W: You can go to the post office on North Street to buy stamps., Question: How long hasn't the man gotten a letter from his mother? (A) Nearly a month. (B) Nearly two weeks. (C) Nearly a week.
(A) Nearly a month.