These two kinds of ways are totally different in nature and we should not the two.A. con

问题补充：

These two kinds of ways are totally different in nature, and we should not the two.

A. confuse

B. embarrass

C. disappoint

D. discourage

答案：

(答案→)A. confuse

B. embarrass

C. disappoint

D. discourage

解析：句意：这两种方式在本质上完全不用，我们不应该把它们弄混了。confuse使混乱；embarrass尴尬；disappoint失望；discourage泄气。根据句意故选A。