By a vote of 9 to 0, the Supreme Court awarded the Central Intelligence Agency broad discretionary powers enabling it to withhold from the public the identities of its sources of intelligence information.
答案没有问题,不过OG中关于E的解释不是很明白,请指教 and "that" in E mistakenly introduces a new independent clause rather than a modifying phrase for powers. 难道说这里不能用定语从句来修饰POWER????