Why didn"t you give the wallet to the man at once?He ____ before l realized it was his.A.had been disappearedB.has disappearedC.had disappearedD.has been disappeared我选D 这两个有什么区别?

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Whydidn"tyougivethewallettothemanatonce?He____beforelrealizeditwashis.A.hadbeendisappearedB.hasdisap

Why didn"t you give the wallet to the man at once?He ____ before l realized it was his.A.had been disappearedB.has disappearedC.had disappearedD.has been disappeared我选D 这两个有什么区别?
Why didn"t you give the wallet to the man at once?
He ____ before l realized it was his.
A.had been disappeared
B.has disappeared
C.had disappeared
D.has been disappeared
我选D 这两个有什么区别?

Why didn"t you give the wallet to the man at once?He ____ before l realized it was his.A.had been disappearedB.has disappearedC.had disappearedD.has been disappeared我选D 这两个有什么区别?
disappeared 是瞬间动词
而 D中 has been 是用于一种持续状态