Lucy, let me help you fix your computer. — __________. I can man

Lucy, let me help you fix your computer. — __________. I can manage it myself.
A、That’s OK
B、No, thanks
C、Perhaps not
D、Not at all
【正确答案】：B
【题目解析】：本题考查情景交际。根据后面的 I can manage it myself说明是不需要对方的帮忙，但仍然还是要表示感谢。