Your _______ as a student will be excellent if you develop a habit of reflecting on how you learn.

A．operation

B．performance

C．growth

D．character

睑板腺囊肿的特点有（）

A.眼睑皮下有大小不等的光滑肿块

B.是一种肉芽肿性炎症

C.起病缓慢

D.有疼痛感

E.不能在睑结膜面溃破