A: Hey, Peter, I'm sorry! B: Hi, Diana, what's wrong? A: We were going to Hong Kong this weekend, but I'm afraid I can't go. B: How come? A: I have a really big geography test and I have to study for it. B: We can go next week instead. A: No, I don't want to ruin your weekend. You go ahead and please take the book I bought to my friend Sally. Tell her I have to study all weekend, because I can't afford to fail the test. B: Ok, then I'll go with Dan. But it's a pity you can't come., Question: Why does Diana say sorry to peter? (A) She has to give up her travel pan. (B) She wants to visit another city. (C) She needs to put off her test.
(A) She has to give up her travel pan.