—What do you think about smoking?
—Well，just as someone puts ，smoking kills.
A. this
B. it
C. that
D. one
网友回答
A. this
(答案→)B. it
C. that
D. one
解析：句意：正如人们所说的那样，吸烟可以要人命。put it(说)，it用在不能直接跟宾语从句的动词或动词短语之后，作形式宾语。此类词还有：enjoy，dislike，like，hate，love，don't mind，be fond of，feel like，see to，appreciate等。