题目内容：
根据下面资料，回答题 Alice: Hi, Sam ! It's nice to see you here.
Sam:Hi, Alice !
Alice: （56）
Sam:To my dorm.
Alice:Great!Could you take this book to Peter?
Sam: （57）Does Peter know what it is for?
Alice: Yes. （58）
Sam: （59）Are you well prepared for it?
Alice: （60）See you tomorrow !
Sam: See you !
A. How about your presentation?
B. He needs it for tomorrow's presentation.
C．l think so.
D．Where are you heading?
E．You are welcome.
F．No problem !
G．What can I do for you?
H．No ， thanks !
第（56）题选
参考答案：
答案解析：