書名：怪物講師多益閱讀
頁數：107
題目：
Overseeing the project's progress ＿ his top priority until he was transferred to another branch.
(A) considered
(B) had been considered
(C) have been considered
(D) considering
疑問：為什麼B不是A
被動語後不是不能加受詞his top priority