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单选题
机身包含蒙皮、隔框、桁条、地板梁、地板、尾锥，以及机身到机翼和尾翼的整流片等。
A
The fuselage includes skin, stringers, frames, floor beams, floor, tail cone, and fuselage to wing and tail fittings, etc.
B
The fuselage includes skin, frames, stringers, floor beams, floor, tail cone, and fuselage to wing and empennage fillets, etc.
C
The fuselage includes skin, beams, stringers, floor frames, floor, tail skid, and fuselage to wing and rear fairings, etc.
答案解析
正确答案：B
相关知识点：
机身含蒙皮等多种部件
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