【单选题】
A A. The form of the cruise performance presentation is at the option of the airplane manufacturer but should not be independent of devices such as a power computer.
B B. The format of the cruise performance presentation is decided by the airplane manufacturer itself but should not depend on devices such as a power computer.
C C. The layout of the cruise performance presentation is at the discretion of the airplane manufacturer; however, devices such as a power computer should not be relied on.
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