A.A sense of frustration.B.Haunted by the unknown things.C.Confident but moody.D.Succe

外语类 公共英语 已帮助 人

A.A sense of frustration.

B.Haunted by the unknown things.

C.Confident but moody.

D.Successful yet unsatisfied.

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗