Final answer:
Motorcyclists should avoid riding alongside cars because they could end up in a car's blind spot, which can lead to dangerous situations if the car driver cannot see them.
Step-by-step explanation:
You should not ride your motorcycle alongside of cars because c) you could be in a blind spot. When riding a motorcycle, staying out of cars’ blind spots is crucial because drivers may not see you when they are attempting to change lanes or make a turn, which can lead to dangerous situations and potential accidents. Hence, it is important for the safety of motorcycle riders to maintain a safe distance from other vehicles and avoid riding in areas where they are not easily visible to car drivers.