单项选择题

By "we are very ambivalent about them" ( Lines 3~4, Para. 1) it is meant that ________.
[A] we have opposing feelings towards emotions [C] we are quite clear about emotions
[B] we have similar ideas of emotions [D] we can do nothing about emotions

A.By "we are very ambivalent about them" ( Lines 3~4, Para. 1) it is meant that ________.
B.we have opposing feelings towards emotions
C.we have similar ideas of emotions
D.we are quite clear about emotions
E.we can do nothing about emotions