Motor vehicles vary greatly in design and body style, and the term motor vehicle can be used to include passenger cars, station wagons, vans, utilities, trucks, buses and coaches. For passenger vehicles and light commercial vehicles, there are two basic arrangements: front-wheel drive and rear-wheel drive. A motor vehicle consists of a number of sections which, for convenience, can be considered as follows: the engine assembly, the frame or chassis, the power train, the running gear, the electrical system and the body of the vehicle. According to this paragraph, which statement is true? A. All the vehicles have the same design. B. All the vehicles have the same style. C. All the vehicles have the same size. D. Not all the vehicles have the same design.