Kate went to work _______ she was ill last week. [ ]

A. though

B. if

C. but

D. because

仅用于止咳的非处方药是（）.

A.对乙酰氨基酚 

B.布洛芬 

C.西咪替丁 

D.氢化可的松 

E.氢溴酸右美沙芬