【单选题】
A Generally speaking,third person should be used while describing the aircraft or their system. For example:the nose wheel is available on the shimmy damper so as to shimmy or roll on the ground.
B Generally,in describing the airplane or its system,third person wording should be used.For example:The nose wheel is provided with a shimmy damper to keep the wheel from shimmying while rolling on the ground.
C In general, when describing the aircraft or its system,you should use third person such as there is shimmy damper on the nose wheel in order to prevent the wheel shimmying and rolling on the ground.
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