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 All the preparations for the project ______, and we’re ready to start.

A.completed     B. have been completed  C. had been completed    D. been completed

All the preparations for the project ______, and we’re ready to start.

A. completed  B. have been completed

C. had been completed   D. been completed

All the preparations for the project ________, and we’re ready to start.

　　A．completed

　　B．had been completed

　　C．complete

　　D．have been completed

　　A．completed

　　B．had been completed

　　C．complete

　　D．have been completed