考博考试

【单选题】 The impact of Thoreau' s On the Duty of Civil Disobedience might not have been so far reaching ______ for Elizabeth Peabody, who dared to publish the controversial essay.
A．it not being
B．if it has not been
C．if it were not
D．had it not been

网考网参考答案：D
网考网解析：
对过去发生事情的虚拟。had it not been=if it hadn’t been． 查看试题解析出处>>