When Replacing an Injector in an Engine, Technician a Says

When replacing an injector in an engine, Technician A says it is only important to make sure that the replacement injector belongs to the same family or model of engines. Technician B says it is important that for the replacement injector to have a spray pattern that matches the shape of the combustion bowl in the piston. Who is correct?

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