-The passage tells us that ………

A)more than one hundred people have recently had hand transplants

B)having a hand transplant is a new craze in cosmetic surgery

***C)effective techniques for transplanting human hands have only been recently developed

D)two people have recently died due to the failure of their immune systems during hand transplants

E)the same doctor has carried out more than a hundred operations recently

***A)might reject the new hand if not controlled

B)plays the major role on the psychological situation of the candidates

C)is suppressed to reduce the risk of spreading the infection

D)is risky to people with certain medical histories

E)of a dead body might not be compatible with that of the person receiving the hand