单项选择题

Woman: Kate always stays in her own world and lives in a dream.Man: I don't think she can find a peaceful mind this way. She'll have to face the reality sooner or later.Question: What's wrong with Kate

A.She is not satisfied with her life.
B.She isolates herself from the outside world.
C.She can find a peaceful life only in her dreams.
D.She can't be at peace with others.