Patients in Need of an Organ Transplant Often Require Years

Patients in need of an organ transplant often require years of weekly treatments to keep them healthy until a compatible organ is found.Because such maintenance care may last for years,the demand for treatment is

A) more elastic than would be the case for an ailment that required stitches in a single office visit because of the long time horizon.
B) more inelastic than would be the case for an ailment that required stitches in a single office visit because of the long time horizon.
C) neither elastic nor inelastic.
D) more elastic because of its necessity.
E) more inelastic due to the fact that the supply of treatment is limited.