13. After reviewing the feedback from the initial testing phase, the project manager announced that the official launch date of the new software _____________.
(A) postpones
(B) will postpone
(C) was postponing
(D) has been postponed
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統計: A(0), B(0), C(0), D(1), E(0) #3911329
統計: A(0), B(0), C(0), D(1), E(0) #3911329