(A)who might otherwise choose teaching as a career in the past
(B)who otherwise might once choose teaching as a career
(C)who might once have been choosen teaching as a career
(D)who,in the past, might otherwise once have choosen teaching as a career
(E)who, as a career, might have choosen teaching in the past
Ans:(C)
這一題就完全的看不懂了...正確答案把題目中原有的"in the past"都刪除了
