–You are working hard, what are you doing？–（)

A、Jim loves his job.

B、No, I have no idea.

C、He has a bad luck.

D、Oh, I am sorry to hear that.

A、Oh, that’s nothing.

B、Don’t mention it.

C、I had a large dose of good luck.

D、It’s my pleasure.

A、No, I can’t.

B、It’s none of my business.

C、I’ve got no idea

D、Yes, I can.

A、I don’t know.

B、The president is going to visit the town tomorrow.

C、Yes, it is interesting.

D、It doesn't matter.