单选题
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
【正确答案】
B
【答案解析】
[考点] 修饰词的位置关系
[解析] efficient形容词，意思为“效率高的”，修饰名词时放在名词前。more是much的比较级，副词，修饰efficient，放在efficient前面。
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