Answer:
Honestly, B. Read below for more
Step-by-step explanation:
Tire belts help with keeping the wheels of a vehicle stable and sturdy, it does keep the threads together as well. I mean, you could in a way call it the body of a tire but Technician B is more specific. I tried to answer with the best of my ability, I'm not 100% sure on A so ask your teacher or classmates for additional help.