单项选择题

The new moral dilemma is caused by ______.

A．high death rate of heart transplants
B．too low a proportion of successful operations
C．delicate organs being transplanted
D．too few human organs for too many recipients

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热门试题

单项选择题

The first heart transplant was so controversial because people believed that ______.

A．the recipient of the first heart transplant obviously died
B．a person's personality would be changed after a heart transplant
C．the heart was the most delicate organ
D．doctors would have to kill the donor for his heart