While Rebuilding a 6T40 Transmission, You Test the Solenoids in the Valve

While rebuilding a 6T40 transmission, you test the solenoids in the valve body. Solenoids A and E both measure 20 ohms. The remaining solenoids measure 4.5 ohms. Tech A states that solenoids A and E need to be replaced. Tech B states that only solenoid A needs to be replaced. Who is correct?

A) Tech A
B) Tech B
C) Both A and B
D) Neither A nor B