If penicillin available, many people from sickness.
A. weren’t , would have died
B. shouldn’t be, would die
C. hadn’t been, would have died
D. is, will die
网友回答
A. weren’t , would have died
B. shouldn’t be, would die
(答案→)C. hadn’t been, would have died
D. is, will die
解析：考察虚拟语气。本题考察的条件句的虚拟语气。当和过去事实相反的似乎，条件状语从句中使用过去完成时，主句中使用“情态动词+have done”。句意：如果没有盘尼西林，很多人都会死于疾病。故C正确。