求问一道语法题

夜伊

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


答案选B
主要是想问一下B中“and to workers who are changing jobs and"这里是什么意思
谢谢谢谢

turbo563

这里有两层并列，平行，
access to people... and to workers
                                     workers who are changing jobs and could otherwise be uncovered.