I thought things would get better but it is they are getting worse.A. beforeB. becauseC.

问题补充：

I thought things would get better, but it is they are getting worse.

A. before

B. because

C. as

D. after

答案：

A. before

B. because

C. as

D. after

解析：：as it is 照现状看，看样子。我本来认为事情会变好的，但看样子，它们正在恶化。故选C。