As we all know, looking away from people or yawning will, , make us appear to be uninterested.
A. for one thing
B. by all means
C. in most cases
D. at one time
网友回答
A. for one thing
B. by all means
(答案→)C. in most cases
D. at one time
解析：短语辨析. A. 首先;一则 B. 一定;务必
C.大部分情况下 D.曾经;一度.
句意:我们都知道,不看着人家或者打哈欠,大部分情况下会让我们显得不感兴趣.故选C.