在工艺指标允许的条件下，为提高浮选机的处理能力，降低油耗，应尽量采用低浓度浮选。

Man: Why do you want to move out You really have a happy life. I do envy you.

Woman: You don’t know that I have been over-protected by my mother these years. I want to spread my own wings.

Question: What does the woman mean().

A. She doesn’t love her mother.

B. he wants to be independent.

C. She actually envies the man.

D. She doesn’t like family life.