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单选题
航空器审定服务办公室是在副局长领导下的各办公室中的一个，它的职责是监督航空器审定管理局及华盛顿总部与设计、生产和适航审定有关的各项工作。
A
Among the offices under the Associate Administrator is the Aircraft Certification Service, which has the responsibility for overseeing the Aircraft Certification Directorate, and the Washington Headquarters operations related to design, production, and ai
B
Aircraft Certification Directorate which is one of the offices under the Associate Administrator is responsible for overseeing the Aircraft Certification Service, and the Washington Headquarters operations related to design, production, and airworthiness
C
Overseeing the Aircraft Certification Directorate, and the Washington Headquarters operations related to design, production, and approval is the duty of Aircraft Certification Service that is among the offices under the Associate Administrator.
答案解析
正确答案：A
相关知识点：
航空器审定服务，监督相关工作
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