In order for the RU-486 pill to be approved for use in such nations as the United States, it is necessary that______. A．the drug be proven absolutely safe for human use B．a consensus be reached in the nation regarding the proper usage of such drugs in a moral sense C．influential opposition groups accept it, opening the way for political feasibility D．the question of when life begins be satisfactorily resolved and the current health concerns related to the pill clarified
A. A．the B.a C.influential D.the
【参考答案】
D 属信息归纳题。题目中的关键词theUnitedStates出现在第三段第三句：有关长期效果或其他方面的担心，......