This has been discussed before. I am just hoping for a better explanation
By a vote of 9 to 0, the Supreme Court awarded the Central Intelligence Agency broad discretionary powers enabling it to withold from the public
the identities of its sources of intelligence information.
(a) enabling it to withold from the public
(b) for it to withold from the public
(c) for witholding disclosure to the public of
(d) that enable them to withold from public disclosure
(e) that they can withold public disclosure of