【单选题】

Through a process called continuing airworthiness, virtually every component comprising an airplane is involved in some form of preservation, inspection, preventative maintenance, overhaul, repair, and/or replacement activity.

A、通过持续适航程序，实际上组成飞机的每个部件都涉及到某种形式的保养、检查、预防性维修、翻修、修理和/或更换活动。
B、通过持续适航程序，组成飞机的几乎每个部件都涉及到某种形式的保护、检查、预测性维修、翻修、维修和/或更换活动。
C、通过持续适航活动，组成飞机的每个部件基本上都涉及到某种形式的保护、检查、预测性维修、翻修、修理和/或更换活动。