I thought Father would be better but it is he is getting worse which makes me more worr

问题补充：

I thought Father would be better, but it is, he is getting worse, which makes me more worried.

A. before

B. as

C. because

D. after

答案：

A. before

(答案→)B. as

C. because

D. after

解析：考查短语：as it is 实际上，事实上，句意：我原以为父亲情况会更好一些，但是事实上他的情况更糟了，使我更担忧了。故选B。