問題詳情

56. This line has proved so popular that we regret to inform you that _________.
(A)it is no longer in production
(B)it has sold out
(C)it is out of stock
(D)it has been discontinued。

參考答案

答案：C
難度：適中0.642857
統計：A(0),B(6),C(18),D(1),E(0)