【正确答案】 C

【答案解析】[解析] 人类如果不出汗会在五分钟内死亡。perspire出汗。breathe呼吸。如：The dying person is hardly breathing．这个弥留之际的人几乎不呼吸了。eat吃。如：She enjoys eating fruit.她喜欢吃水果。sweat出汗。最符合题意。如：I felt so nervous that my palms were sweating. 我很紧张，手心都出汗了。drink喝。如：He is drinking coffee.他正在喝咖啡。