If penicillin had not been available, many people from sickness or even small wounds.
A. would die
B. would have died
C. will have died
D. might die
网友回答
A. would die
(答案→)B. would have died
C. will have died
D. might die
解析：考查虚拟语气：if条件句用had done表示和过去的事实相反，主句用would have done表示虚拟，句意：如果没有青霉素，很多人就会死于疾病或小的伤口。选B。