dialogue: W: How is your mother feeling these days? M: Much better, thanks. She'll be back home in a few days. W: That's wonderful. When will you be back on your job? M: I think I need a week to take care of her and do some cleaning for her coming home. W: Why don't you hire someone to do it? In this case, you cannot only do your job, but also have more free time. M: Yes, I know it. But I'm really worried about my mother. She is 72 years old. W: You're a kind and thoughtful man. I admire you very much. M: I'm just a very normal son.
question: Why does the man ask a week off?
choice: Because he has to see a doctor. Because he needs to look after his mother. Because he hasn't hired anyone to help him yet.
answer: Because he needs to look after his mother.