—The box looks so heavy. Shall I give you a hand? — Thank you. .A. It’s up to youB. It cou

问题补充：

—The box looks so heavy. Shall I give you a hand?

— Thank you. .

A. It’s up to you

B. It couldn’t be better

C. It all depends

D. If you prefer

答案：

A. It’s up to you

(答案→)B. It couldn’t be better

C. It all depends

D. If you prefer

解析：本题考查交际用语。It couldn’t be better.再好不过了。