题目选项分析

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

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