----I've found a new job in a big computer company.

----Really? How many _____ it?[ ]

A. worker

B. work

C. works in

D. workers in

常见的存在肝肠循环的药物不包括（）

A.地高辛

B.透皮贴剂

C.吲哚美辛

D.吗啡

E.华法林