The activation condition of thrust reverse is:

A、OneFADECchannelisactive,andaccompaniedwithcorrespondingthrustreversesignal
B、ThecompressionsignalofL/HandR/HlandinggearfromcorrespondingLGCIU
C、TheThrustLeverAngle(TLA)reversesignalissentfromatleastoneSpoilerElevatorComputer(SEC)
D、Allofabovestatements