Which of the following statements about fractures and cut marks can be inferred from paragraph 4? A. Fractures and cut marks caused by right-handed soldiers tend to occur on the right side of the injured party's body. B. The right arm sustains more injuries because, as the dominant arm, it is used more actively. C. In most people, the left side of the body is more vulnerable to injury since it is not defended effectively by the dominant arm. D. Fractures and cut marks on fossil humans probably occurred after death.