By the time he was dying, he made a testament that he would his kidney(肾) to those who were in need of it.
A. contribute
B. donate
C. provide
D. introduce
网友回答
A. contribute
(答案→)B. donate
C. provide
D. introduce
解析： donate 此处的意思为“捐献(器官)”。contribute指捐献金钱或财物，不能用于捐献身体器官；donate除了有与contribute相同的意思外，还可以用于捐献器官或献血。provide供给；供应；introdue介绍；引进；提出。