Question

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

A．more efficiently a worker 　B．a more efficient worker

C．more an efficient worker 　D．a worker more efficiently

 

Answer 1

B

【解析】考查了在含有than的比较级中名词的位置，即a/an＋比较级＋名词。