问题补充：
—Can I use your laptop for a while?
—; any how I am not using it now.
A. That’s OK
B. By all means
C. It doesn’t
D. Use it.
答案：
A. That’s OK
(答案→)B. By all means
C. It doesn’t
D. Use it.
解析：考查习惯用语，That’s OK没关系，用于回答别人感谢你时，By all means当然可以，句子意思“我能用回你的手提电脑吗？当然可以，反正我现在没有用它”，所以选B
