og222 目的状语的疑惑？！

222. By a vote of 9 to 0, the Supreme Court awarded the Central Intelligence Agency broad discretionary(任意的，自由决定的) powers enabling it to withhold from the public the identities of its sources of intelligence information.

(A)  enabling it to withhold from the public

(B)  for it to withhold from the public(用不定式，成了目的状语，主语应该是supreme court, nonsense…)

(C)  for withholding disclosure to the public of

(D)  that enable them to withhold from public disclosure

(E)   that they can withhold public disclosure of

想问一下为什么b和c不能用for it to do？

感觉to do只可以修饰前面的it，如果作目的状语的划那前面的for it就解释不通了，从逻辑上考虑不应该啊？！

请教！

Here, the original meaning was "...board.. withhold..."(A),not the "court..withhold..."(B).