问题
We may have known someone for ten years and still know very little about him because__________.
A:we don’t accept the idea that we might never fully know another person
B:we often get information in a casual and inexact way
C:we pay more attention to other people’s motivations and emotions
D:we often have facE.to.face conversation with him
B:we often get information in a casual and inexact way
C:we pay more attention to other people’s motivations and emotions
D:we often have facE.to.face conversation with him
正确答案是：
