托业考试

根据网考网考试中心的统计分析，以下试题在2018/12/10日托业考试习题练习中，答错率较高，为：31%
【单选题】 If they ______ more aware of the trends, they could have avoided bankruptcy.
A．(A) were
B．(B) are
C．(C) have been
D．(D) had been

网考网参考答案：D，答错率：31%
网考网试题解析：
Had been is the correct past perfect verb for a past unreal condition in an if clause. Choice (A) is the past tense. Choice (B) is the simple present. Choice (C) is the present perfect. 查看试题解析出处>>