COULD YOU DO ME A FAVOR

79. - 100 CAU TRAC NGHIEM ON THI ANH 8 100 CAU TRAC NGHIEM ON THI LOP 8 PHAN 1
100 CAU TRAC NGHIEM ON THI ANH 8 100 CAU TRAC NGHIEM ON THI LOP 8 PHAN 1

79. Could you do me a favor ? ______.

A. Yes ,thank you B. Yes,please C. No,thanks D. What can I do for you