——i'm sorry to have kept you waiting.

问题描述:

——i'm sorry to have kept you waiting.
——() ,Bill
A you're welcome
B go ahead
C don't mention it
D no problem
正解是d.为什么?

就是没问题的意思 .A不对,因为它是回答THANK YOU的 .B不对,它的语境应该是回答请求的.C不对,它是回答别人对自己的感谢.