---If he ______, he ______that food.

---Luckily he was sent to the hospital immediately.

A.was warned; would not take

B.had been warned; would not have taken

C.would be warned; had not taken

D.would have been warned; had not taken

答案及解析： B

解析：

本题考查的是条件状语从句与主句表示与事实相反时虚拟语气的用法。根据下一句语境可知，他事先并没有得到警告，表示过去时间的虚拟语气，故选B。