Technician a Says the Comprehensive Component Monitor Continues to Run

Multiple Choice

Technician A says the comprehensive component monitor continues to run until all sensors have been tested once. Technician B says the rationality test checks to see if the input values from a sensor make sense, based on the current operating conditions at the time the test is performed. Who is correct?

A) A only
B) B only
C) both A and B
D) neither A nor B