So dogged were Frances Perkins' investigations of the garment industry, and her lobbing for wage and hour reform was persistent, Alfred E. Smith and Franklin D. Roosevelt recruited Perkins to work within the government, rather than a social worker.
(A) and her lobbing for wage and hour reform was persistent,
(B) and lobbing for wage and hour reform was persistent, so that
(C) her lobbing for wage and hour reform persistent, that
(D) lobbing for wage and hour reform was so persistent,
(E) so persistent her lobbing for wage and hour reform, that
出自GWD+天山30回測驗 第7 回之第1題
不太了解 完全不懂為何是 E? , 請指點.