— I can’t move the bookcase. Could you give me a hand?
— . It’s a piece of cake.
A. Not at all
B. No problem
C. Never mind
D. Of course not
网友回答
A. Not at all
(答案→)B. No problem
C. Never mind
D. Of course not
解析：句意：--我搬不动书柜，你能帮我吗？--没问题，小菜一碟。Not at all没关系；No problem没问题；Never mind 没关系；Of course not当然不。故选B。
考点: 考查日常交际用语的用法。