— Thank you, Mark.

— ____________

A. Yes, of course.               B. You’re welcome.

C. I’m sorry.                   D. Goodbye.

– Thank you very much.

-- ___________.

A. Here you are   B. Yes, I am   C. You are welcome  D. That sounds boring

– Thank you very much.

-- ___________.

A. Here you are   B. Yes, I am   C. You are welcome  D. That sounds boring