急。。。求助各位大牛牛哦

HotCold

请教各位大牛牛哦，GWD这题的E选项没有看懂哦，请问能帮小妹解释一下吗？。。。

GWD5-Q1:

So dogged were Frances Perkins’ investigations of the garment industry, and her lobbying for wage and hour reform was persistent, Alfred E. Smith and Franklin D. Roosevelt recruited Perkins to work within the government, rather than as a social worker.

    

E. so persistent her lobbying for wage and hour reform, that

          非常感谢哦。。。