有道题求教各位

orz0127

prep08-2-228
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.

    A.and her lobbying for wage and hour reform was persistent,

    B.and lobbying for wage and hour reform was persistent, so that

    C.her lobbying for wage and hour reform persistent, that

    D.lobbying for wage and hour reform was so persistent,
E.so persistent her lobbying for wage and hour reform, that
答案选E，解释是“两个并列分句中，当谓语动词为系动词或者become时，后面一句一定要省略。并且and一并省略。” 有这个说法吗？？那就是说下面这个句子就是错的？eg.The woman is pretty and her husband is generous