The poisonous atmosphere will surely a lot of people.A. effectB. impressC. causeD. affect

问题补充：

The poisonous atmosphere will surely a lot of people.

A. effect

B. impress

C. cause

D. affect

答案：

A. effect

B. impress

C. cause

(答案→)D. affect

解析：affect 影响；effect是名词；impress 留下印象；cause 导致。