The two things are the same in outward form but different.A. in additionB. in briefC. in c

问题补充：

The two things are the same in outward form but different.

A. in addition

B. in brief

C. in common

D. in essence

答案：

A. in addition

B. in brief

C. in common

(答案→)D. in essence

解析：

考查介词短语词义辨析。in essence本质上，符合句意。in addition此外；in brief简短地，简言之；in common共同。