A-A+
In the US; there is a long waiting list for or
问题详情
In the US; there is a long waiting list for orgasm because ______.
A．there is a shortage of actual organs
B．only a few people become organ donors
C．doctors have set a limit to the number of organ recipients
D．transplant surgery is still experimental请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：细节题。答案信息对应于第二段最后一句：Theproblemisthatfewerthan20percentbecomedonors，即器官不足的原因是只有20%的死者成为器官捐赠者，与[B]一致。
