39. The tech company admitted that the security breach______prevented if better encryption had been in place.
(A) can be
(B) is
(C) will be
(D) has been
(E) should have been

答案：登入後查看
統計： A(2), B(0), C(5), D(3), E(14) #3484424

詳解 (共 2 筆)

#6709921
1. 題目解析 這道題目是要求選擇一個適...
(共 767 字，隱藏中）
前往觀看
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#7389635
所以這題解題的關鍵就是看到if+had+pp(與過去事實相反)(沒有發生)
要想到should+have+pp(所以過去的當下該怎麼做)
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