​While Discussing a Pressure Test: Technician a Says to Begin

Multiple Choice

​While discussing a pressure test: Technician A says to begin this test by checking line pressure.
Technician B says the test can be run with a scan tool and a pressure gauge on transmissions that use an EPC solenoid. 
Who is correct?

A) ​A only
B) ​B only
C) ​Both A and B
D) ​Neither A nor B