Motorcycles having larger, more powerful engines normally accelerate faster and achieve higher speeds than motorcycles with smaller engines. However, the majority of motorcycle crashes involve motorcycles with smaller engines. Hence, to enhance the safety for motorcycle riders, we should encourage them to ride motorcycles with larger, more powerful engines.Which of the following statement, if true, most seriously weakens the argument above?

A. More experienced and knowledgeable riders are more likely to ride motorcycles that have larger engines than motorcycles that have smaller engines.

B. Motorcycles that have smaller engines tend to be lighter and therefore easier to maneuver at low speed than motorcycles with larger engines.

C. The average speed at which motorcycles were traveling just prior to crashes is relatively low, approximately 30 miles per hour.

D. Approximately 75 percent of crashes involving motorcycles also involve another vehicle, most often a passenger automobile.

সঠিক উত্তরঃ D. Approximately 75 percent of crashes involving motorcycles also involve another vehicle, most often a passenger automobile.

Explanation: