i____ the bad cold for a week,still i can't get rid of it.A.aught B.have caught C.have D.have hadhave caught 与 had caught有何区别

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i____ the bad cold for a week,still i can't get rid of it.A.aught B.have caught C.have D.have hadhave caught 与 had caught有何区别
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i____ the bad cold for a week,still i can't get rid of it.A.aught B.have caught C.have D.have hadhave caught 与 had caught有何区别
i____ the bad cold for a week,still i can't get rid of it.A.aught B.have caught C.have D.have had
have caught 与 had caught有何区别

i____ the bad cold for a week,still i can't get rid of it.A.aught B.have caught C.have D.have hadhave caught 与 had caught有何区别
选D
因为时间状语是 for a week 表示一段时间
所以要用延续性动词 不能用 have caught 因为catch a cold 感冒表动作
证据的意思是:我感冒一周了,现在还是没好.

B主要是区分过去完成时和现在进行时。

选B 现在完成时, 表示还有病下去的可能