[求助]GWD25-Q20~~

Most states impose limitations on the authority of the legislature to borrow money, with their objectives being to protect taxpayers and the credit of the state government.

A.      to borrow money, with their objectives being to protect

B.       to borrow money, the objectives of which are the protecting of

C.      to borrow money, limitations intended to protect

D.      for borrowing money, of which the objective is protecting

E.       for borrowing money, limitations with the intent of protecting

答案选C，哪位大侠帮我解释一下后半句是做什么成分的啊？同位？B哪里不好啊？

答案选C，哪位大侠帮我解释一下后半句是做什么成分的啊？同位？B哪里不好啊？