单选题

If this maneuver cannot be performed safely, a warning against attempting it shall be provided.

A如果不能安全执行此地面移动操作，警告不要再次尝试它。

B如果不能安全执行此操作，应提供警告不要再次尝试此操作。

C如果不能安全执行此操作，应提供警告不要尝试此操作。

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正确答案：A （备注：此答案有误）

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