【单选题】

此系统部分用于储存燃油，包括结构油箱密封胶、软油箱、通风系统、软油箱和结构油箱相互连通装置、翼上加油口颈和口盖等。

A、That portion of the system is responsible for the fuel storage components in the system, comprising of storage tank, bag battery, ventilation system, battery and storage tank interconnection device, neck and cover of the wing filler, etC.
B、That portion of the system is used to store fuel, including integral tank sealing, bladder type cells, ventilating system, cell and tank interconnectors, over wing filler necks and caps, etC.
C、A portion in a system can store fuel. Covering storage tank sealing, bag battery, ventilation system, battery and storage tank interconnection device, overhead neck and cover of the wing filler, etC.