—I am afraid I can't finish the book within this week.
—______.
A．Please go ahead B．That's all right
C．Not at all D．Take your time
—I am afraid I can't finish the book within this week.
—______.
A．Please go ahead B．That's all right
C．Not at all D．Take your time
D
go ahead“继续干吧”；That's all right“没关系；不用谢”；Not at all“别客气，没什么”，对感谢的回答；take one's time“要用多少时间就用多少时间；不着急”。由语境可知，应选D项。