8. 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 (E) for the establishment of standards that would guarantee wider access for people with past health problems and workers who are changing jobs that
(D) for establishing standards that would guarantee wider access for people with past health problems and workers changing jobs who
答案是B。这个没问题，但是B里面的这个时态也太奇怪了。有没人讲讲这里为什么用are changing jobs. 尤其后面又马上跟了一个could.
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