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单选题
These ALIs are mandatory and cannot be changed or deleted without the approval of the FAA office that is responsible for the airplane model Type Certificate, or applicable regulatory agency.
A
A.这些ALIs 是强制性的，未经负责飞机型号证书的FAA 办公室或适用的监管机构的批准，不能更改或删除。
B
B.这些ALIs 是指令性的，未经FAA办公室批准不得更改或删除。FAA办公室负责飞机型号证书，或发布适用的管理规章。
C
C.这些ALIs 是非常必要的，任何更改或删除必须获得FAA办公室批准，或者其他可以颁发飞机型号证书的监管机构的批准。
答案解析
正确答案：A
相关知识点：
未经批准，强制ALIs不可更改删除
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