ASE-Style Multiple Choice While Having a Discussion, Technician a Says

ASE-Style Multiple Choice While having a discussion, Technician A says that single-part urethane foams made for home use cannot be used for replacing automotive foam fillers. Technician B says OEM replacement parts never come with the foam already in them. Who is correct?

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