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The Federal Reserve Bank is one of the most ____________ institutions in the United States, yet many are not aware of the important operations and activities it has carried out during its lifetime.
- A.distinguished
- B.secretive
- C.consequential
- D.indispensable
- E.misunderstood
- F.mysterious
C,D显示答案
以上解析由 考满分老师提供。
