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单选题
For purposes of this specification, "airplane" refers to the airframe and related components specified in the Type Certificate or made available as options by the airplane manufacturer.
A
For purposes of this specification, "aircraft" means the relevant optional parts of the airframe and parts specified in the type certificate or supplied by the aircraft manufacturer
B
For the intention of this specification, " airplane" is know as the airframe selective components set forth in the Type Certificate or provided by the airplane producer.
C
For purposes of this specification, "aircraft" means the airframe and parts specified in the Type Certificate or the related optional parts supplied by the aircraft manufacturer.
答案解析
正确答案：C
