Consider a tragic and heart-wrenching case in which a cancer patient is told he needs chemotherapy in order to live three more years at best, but the patient's final three years will be filled with all the terrible side-effects of the treatment

Without it, he will surely die within a year, but his quality of life would be a better. Suppose he chooses to quit chemotherapy. The economic way of thinking would therefore conclude A) the patient made the wrong choice.
B) the doctors were absolutely right—the patient needs chemotherapy.
C) it is better to live longer than it is to die sooner.
D) all of the above are true.
E) none of the above is true.

E