Technician a Says That Variable Diameter Pulley (VDP) Continuously Variable

Multiple Choice

Technician A says that Variable Diameter Pulley (VDP) Continuously Variable Transmissions (CVT) are commonly rebuilt. Technician B says that VDP CVT's require more frequent fluid changes than a conventional automatic transmission. Who is correct?

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