Which one of the following conditions would cause the A/P diseng

Which one of the following conditions would cause the A/P disengagement red light to flash?

A.When pressing the A/P disengagement switch on the control column to disengage A/P

B.When setting the A/P disengagement light test switch to position 2

C.Stabilizer mistrim below 800 feet RA on dual channel approach

D.During go-around using autopilot. ALD ACQ mode is inhibited due to stabilizer not well trimmed

正确答案是A