—When did you buy this computer? It looks so new.—I it for only a couple of days. My siste

问题补充：

—When did you buy this computer? It looks so new.

—I it for only a couple of days. My sister bought it for me as a birthday present.

A. bought

B. have bought

C. have had

D. had

答案：

A. bought

B. have bought

(答案→)C. have had

D. had

解析：此题重点考查延续性动词的基本用法。Buy是非延续性动词，不能和段时间状语连用，故用have。