线角是由（）

A.牙冠上两个面相交形成

B.牙冠上三个面相交形成

C.牙冠上四个面相交形成

D.牙冠上五个面相交形成

E.牙冠上六个面相交形成

Man: I think you’d better find another partner. I love table tennis. But I don’t think I’m improving.
Woman: Look, Paul. It is still too early to quit. Nobody expects you to be a superstar. Just keep going and you’ll get the hang of it.
Question: What does the woman mean().

A. The man should not dream of being a superstar.

B. The man didn’t practice hard enough.

C. The man should find a new partner.

D. The man should not give up.