热疗可以产生很好的治疗反应，不包括（）。

A.类风湿性关节炎

B.僵硬性关节炎

C.胃肠道和泌 * * 平滑肌痉挛

D.痛性关节炎

E.退行性关节病变或椎间盘病变所致腰痛

—I hear _______ students in your class like hiking on weekends. 

—Yes, you are right. Exercise is good for us.[ ]

A. quite a bit    

B. a quite bit     

C. a few quite    

D. quite a few