求助一道语法题，谢谢

meckychen

1.The proposed health care bill would increase government regulation of health insurance, establish standards that would guarantee wider access to people with past health problems and to workers changing jobs who otherwise could be uncovered for months.

(A) establish standards that would guarantee wider access to people with past health problems and to workers changing jobs who

(B) establishing standards that would guarantee wider access to people with past health problems and to workers who are changing jobs and

(C) to establish standards that would guarantee wider access to people with past health problems and to workers who change jobs that

(D) for establishing standards that would guarantee wider access for people with past health problems and workers changing jobs who（B）

(E) for the establishment of standards that would guarantee wider access for people with past health problems and workers who are changing jobs that

选项B中的and otherwise 是什么用法啊？ 和什么并列呢？

谢谢。

切尔西

和would guarantee并列，温馨提示，下次不要弄成这个绿色，好刺眼，我刚刚看题都要把它选中了看才舒服些