Technician a Says Crush Zones Are Built into the B-Pillar

Technician A says crush zones are built into the B-Pillar for added reinforcement. Technician B says the collision damage radiating throughout the vehicle many times can be traced or identified most easily by following the crush zones on the structural panels. Who is correct?

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