题目：
单选题
The report released by the United States Senate Intelligence Committee demands （ ）. (US Counter-Intelligence Efforts)
- Athe administration’s public acknowledgement of the damages done from espionage
- Bspecific steps to tighten security in the US government and military operation
- Cextensive changes in US security policies and counter-intelligence
- Dquick improvement by the Reagan Administration in security
答案：
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