—How long have you this book?—About thirteen days.A. broughtB. bought C. hadD. borrowed

问题补充：

—How long have you this book?

—About thirteen days.

A. brought

B. bought

C. had

D. borrowed

答案：

A. brought

B. bought

(答案→)C. had

D. borrowed

解析：句意：---你借这本书多长时间了？---大约十三天。buy，是非延续动词，用在现在完成时态中不能和一段时间连用。要用have替代。故选C。