—How long can I the VCD?—A week.A. borrow B. keep C. buy

问题补充：

—How long can I the VCD?

—A week.

A. borrow B. keep C. buy

答案：

解析：本题考查动词。how long应该和延续性动词连用，而AC为短暂性动词，故选B。句意：——我能够保存这张VCD多久？——一个周。