题目

题型：不详难度：来源：

I have worked with him for some time and have found that he is ________ than Jim.

A．more efficiently a worker

B．a more efficient worker

C．more an efficient worker

D．a worker more efficient

答案

解析

B
解析　考查比较结构中的名词位置。此处符合“a/an＋比较级＋名词单数＋than”句型。