Which of the Following Might Demonstrate a Competent Patient Who

Which of the following might demonstrate a competent patient who is being coerced?

A) The older sibling of a 5-year-old child is asked by the parents to donate bone marrow to save the 5-year-old's life because the older sibling is the only match.
B) The adult child of an 89-year-old patient refuses to take the patient off of life support even though the patient's wishes are for the child to do so.
C) The mother of a patient is donating a kidney to the patient who has diabetes and kidney failure.
D) The father of a toddler explains to the doctor how the toddler fell down the stairs and broke the left arm.