Riding a motorcycle on the street is not for everyone because: A. Highway signs are more difficult for motorcyclists to read B. Some people have difficulty managing risk C. All motorcycles are not the same D. Everyone can ride a bicycle

Option B:

Some people have a difficulty in managing risks

Explanation:

Riding a motorcycle is a lot riskier than driving a car. This is because motorcyclists are exposed, and any accident that occurs will most likely lead to bodily harm to the rider.

Some individuals, have problems managing such risks, and cannot comfortably control the motorbike on the highway because of the number of cars speeding by.

Such individuals are not expected to be riding as this lack of confidence when riding on the highways can lead to accidents.