"기다리게 해서 미안합니다." 의 올바른 표현은?
I am sorry to have kept you waiting.
I am sorry to kept you waiting.
I am sorry to have not kept you waiting.
I am sorry not to keep you waiting.
"기다리게 해서 미안합니다." 의 올바른 표현은?
A. I am sorry to have kept you waiting.
B. I am sorry to kept you waiting.
C. I am sorry to have not kept you waiting.
D. I am sorry not to keep you waiting.