It can be inferred from the passage that the Treasury Department, after assuming control of the lighthouses, improved which of the following? A. The training of the lighthouse keepers B. The

A

Dựa vào câu cuối “After the administration of lighthouses was taken over in 1852 by the United States Lighthouse 803rd, an agency of the Treasury Department, the keeper corps gradually became highly professional” ®sau khi đảm đương việc kiểm soát hải đăng, Bộ tài chính đã cải thiện lại việc đào tạo những người trông coi hải đăng.