Question

考研英语2012text4文章的一个疑问

-Reform has been vigorously opposed, perhaps
most egregiously in education, where charter schools, academies and merit pay
all faced drawn-out battles. Even though there is plenty of evidence that the
quality of the teachers is the most important variable, teachers’ unions have
fought against getting rid of bad ones and promoting good ones.
这里teachers’ unions have fought against getting rid of bad
ones and promoting good ones.

teachers’ unions have fought against的对象时getting rid of bad
ones，还是 getting
rid of bad ones and promoting good ones.

Answer 1

是 getting rid of bad ones and promoting good ones