We found the office _____ with some tables, a blackboard and some chairs. [ ]

A. furnished

B. furnishing

C. to furnish

D. having furnished

驱除注射剂安瓿空间的空气，可以采取（）

A.通入惰性气体

B.加入盐酸普鲁卡因

C.加入焦亚硫酸钠

D.通入纯净空气

E.加入卵磷脂