— If he _____, he _____ that poisonous food.

— Luckily he came back to life 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

竞争最终都会与物质利益挂钩，属于教育群体竞争中的（）

A.小群体意识

B.认知偏差

C.心理压力

D.心理污染