Final answer:
In California, it is true that it is illegal to wear headphones on both ears while driving, to minimize distractions and increase safety on the roads.
Step-by-step explanation:
In California, it is indeed against the law to wear headphones on both ears while driving. The correct answer to the question is a. True. This law is put in place to ensure that drivers can hear emergency vehicles, honking, and other important sounds that may indicate potential hazards. It's designed to minimize distractions and increase road safety for all drivers and pedestrians.