—— Do you think you can repair this machine without help?
—— . This is not the first time for me to do so.
A. Don’t worry.
B. All right.
C. Don’t mention it.
D. No problem.
网友回答
(答案→)A. Don’t worry.
B. All right.
C. Don’t mention it.
D. No problem.
解析：交际用语，重在理解语境，对方是在安慰他别担心，根据句意：你认为你不用帮忙能够修理这个机器吗？ 别担心，这不是我第一次这样做。故选A