The drive shaft connects the transmission output shaft to the differential pinion shaft.Since all roads are not perfectly smooth, and the transmission is fixed,the drive shaft has to be flexible to absorb the shocks of bumps in the road.Universal,or "U-joints" allow the drive shaft to flex when the drive angel changes. According to this paragraph, which statement is true? A. The drive shaft is connected to four wheels B. The drive shaft is connected to the engine C. The drive shaft is connected to the transmission D. The drive shaft is connected to the radiator