10. The company cut its profit forecast because its sales _______ weaker than expected.
(A) had been
(B) will have been
(C) should have been
(D) have been

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統計： A(123), B(17), C(27), D(60), E(0) #1573188

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#2428928
had +pp  表示一段時間的狀態我自...
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