15.When carrying passengers or cargo on a motorcycle, which of the followingregulations is correct? (A) Small light motorcycles, heavy motorcycles, andregular light motorcycles may carry one passenger if there is a fixed seatbehind the rider. (B) For cargo loading: small light motorcycles must notexceed 30 kg; regular light motorcycles must not exceed 60 kg; heavymotorcycles must not exceed 90 kg. (C) After carrying a passenger, noadditional cargo may be carried. However, small items that do not affect thesafety of the rider or passenger are exempt.