专升本考试

【单选题】 When ______ the education systems of China and Britain, the professor gave no comment.
A．being asked to compare
B．asked him to compare
C．asking him to compare
D．asked to compare

网考网参考答案：D
网考网解析：
语法结构题。主句主语是 the professor，时间状语中的主语可以看成是承后省略。也就是说时间状语中的主语是和主句中的主语一致，否则就不能承后省略。因此，原时间状语 when asked to compare the education systems of China and Britain 可看成是when he was asked to…的省略。本句大意为：当有人要求教授比较中英两国的教育体制时，他没有做任何的评论。 查看试题解析出处>>