GWD求解！！！

wellmichelle

In 1852 Robert Angus Smith published a detailed report of the chemistry of rain kin a large area around the city of Manchester, England, noting that the closer one came to town, the more the city air would become increasingly acidic.

A.that the closer one came to town, the more the city air would become increasingly acidic




B.that the city air became increasingly acidic the closer one came to town




C.that coming closer to town, the city air became increasingly acidic




D.that the more the city air became increasingly acidic, the closer one was to town



E.the city air becoming increasingly acidic as one would come closer to town

答案选B，百思不得其解……我选A

wellmichelle

自己顶一下~望大神解答