—Must I take a bus?

—No, you _______. You can walk there.  It's not far.     [ ]

A. must not        

B. don't

C. don't have to    

D. had better had to

结膜高度充血，水肿、可有点片状出血，可考虑（）。

A.急性闭角性青光眼

B.虹膜睫状体炎

C.急性流行性出血性结膜炎

D.单纯疱疹病毒性角膜炎

E.急性卡他性结膜炎