This is the first time the students________to Hyde ParkA.have gone B.have been gone C.have been going D.are being gone

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Thisisthefirsttimethestudents________toHydeParkA.havegoneB.havebeengoneC.havebeengoingD.arebeinggone

This is the first time the students________to Hyde ParkA.have gone B.have been gone C.have been going D.are being gone
This is the first time the students________to Hyde Park
A.have gone B.have been gone C.have been going D.are being gone

This is the first time the students________to Hyde ParkA.have gone B.have been gone C.have been going D.are being gone
A This is the first time ...用完成时

为什么选c啊,不应该是A吗?

D

A.have gone

C

A. have gone