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（59）题选