---Students should devote most of their time to studying rather than playing computer games.                                                      

---________.No pains, no gains.

A．Extremely

B．Actually

C．Obviously

D．Exactly

哪一项不属于渗出性炎症？（）

A.浆液性炎

B.假膜性炎

C.化脓性炎

D.感染性肉芽肿性炎

E.出血性炎