Which Is a True Statement Regarding a Heart Transplant

Which is a true statement regarding a heart transplant?

A) Most transplant surgeries are performed on patients younger than 40 years old.
B) A heart-lung bypass machine is hooked up in order to provide blood to the patient's body after surgery.
C) The aorta and pulmonary arteries are not replaced as part of the surgery.
D) Aldosterone antagonists are administered after surgery to prevent rejection.
E) Recovery often involves 3 months in the hospital and 6 months of monitoring by the transplant team for organ rejection.