Technician a Says That in Some Tanker Trailer Applications,the Tank

Multiple Choice

Technician A says that in some tanker trailer applications,the tank can be used as the primary frame,with sub-frames attached to the tank to mount the upper coupler and suspension components.Technician B says that a tank mounted to a straight truck with a ladder frame must be mounted in a way so that the frame moves independently from the tank.Who is correct?

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