题干
---You’re going to collect money for the drought areas in southwestern China?
---______. We should try our best to give them a hand.
A：No, I am not
B：No, I was just joking
C：Yes, I do
D：Yes, I have never been more seriou
答案(点此获取答案解析）
D
---It’s very kind of you, but I have a much late in the office. I overslept this morning because my morning clock _______.