单选题

when you get access to the rear fuselage through the access panel, don‘t use APU line.

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 approach the aft fuselage through the access panel.

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正确答案：A （备注：此答案有误）

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