What is wrong with the following statement
A.正确答案DIf FMGC detects low navigation accuracy, it will automatically turn off the enhanced mode of EGPWS, and the five basic GPWS modes are still valid
B.For runways significantly higher than the surrounding terrain, the runway distance platform (RFCF) provides additional protection envelope.If the aircraft drops below the protection envelope, the "too low terrain" sound and visual alarm will be triggered
C.When the terrain warning is triggered, in addition to the audio warning, the nd will automatically display the terrain image, and the GPWS/pull up switch on each instrument panel will be on
D.When the terrain caution is triggered, in addition to the audio warning, the nd will automatically display the terrain image, and the GPWS/pull up switch on each dashboard will be on
