--- Good morning sir. May I help you? --- __________ .A.No I don’t buy anythingB.No I
--- Good morning, sir. May I help you? --- __________ .
A.No, I don’t buy anything
B.No, I don’t need your help
C.Yes, I need some sugar
D.Oh, no. That’s OK
请帮忙给出正确答案和分析,谢谢!