—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
答案: 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。