when you get access to the rear fuselage through the access panel, don't use APU line. 当您通过访问面板进入后机身时，不要使用APU线。
A.Don't handle the APU line, when you get close to the back fuselage B.When you enter into the front fuselage through the access door, don't touch the APU line C.Don't hold the APU line when you ap roach the aft fuselage through the access panel正确答案C
