Diana was in a car accident and now appears to be in a permanent coma. She breathes with the aid of machines and is fed through a tube. Much debate is occurring within her family about her treatment, which doctors say will not improve her condition. A sociologist who is interested in studying this conflict would want to research ____
(A) complementary medicine.
(B) alternative medicine.
(C) bioethics.
(D) medical morality.