Which of the following statements about the San Bushmen is true? A. They are known as the "blue people" for their indigo-colored clothing that stains their skin. B. They practice their own blend of Islam and traditional African religions. C. They live in family groups and do not have an official "chief," or leader. D. They are a seminomadic people who live on the East African plains. Please select the best answer from the choices provided. A B C D.