Why the title of this unit is manage nervousness instead of overcome nervousness?

A.Because the truth is that the nervousness one has during public speaking can not be eliminated.

B.Because the methods introduced in this unit are not enough to help us completely overcome nervousness.

C.Because manage nervousness is easier to be realized.

D.Because in order to overcome anxiety, one needs to do more than attending an online course.

正确答案：Because the truth is that the nervousness one has during public speaking can not be eliminated.