It rained a lot during their journey, so they           have had a good time. [ ]

A. can't    

B.  must    

C.  shouldn't  

D.  might

前房角后退的最主要的后遗症是（）

A.继发性青光眼

B.睫状体脱离

C.复发性虹膜炎

D.并发性白内障

E.眼球萎缩