【开放英语4(英语II(2))-1162网上形考机考题库】 —If he _______, he ______ that food.

【开放英语4(英语II(2))-1162网上形考机考题库】 —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