The First Officer observes the word PITCH displayed in amber in the lower portion of the PFD during an ILS approach. What does it mean?
A.A.The autopilot has defaulted to CWS pitch
B.B.Glide slope is not being tracked
C.C.The Captain's and First Officer's pitch displays differ by 5 degrees or more
D.D.The First Officer's pitch display is more than 3 degrees in error
正确答案是C