给下列句子选择合适的答语。
A.Sure. Here you are.
B.Because he can’t find his key.
C.I’m sorry to hear that.
D.Can you help me with housework?
E.Because I get a new toy car.
【小题1】Why are you so excited?(______)
【小题2】What can I do for you?(______)
【小题3】Why is Jack sad?(______)
【小题4】Would you mind passing me the water? (______)
【小题5】Tom’s computer doesn’t work. (______)