When choosing a helmet for riding a motorcycle, what should you take into account?

A)That it can be held in place without having to fasten it.
B)That it adequately protects against noise.
C)That it has good ventilation so that it does not fog up.Correct
A helmet with good ventilation will be more comfortable and safe, as well as preventing it from fogging up, so it is important to check that it has a sufficient number of air intake and outlet openings.
The helmet must always be fastened because if not, in the event of an accident, it will fly off and we will be unprotected.
The helmet must always be fastened because if not, in the event of an accident, it will fly off and we will be unprotected.