英语六级

单选题It can be seen that large doses of multivitamins ________.

A．may bring about serious side effects
B．may help prevent excessive bleeding
C．are likely to induce the blockage of arteries
D．are advisable for those with vitamin deficiencies

参考答案：A进入在线模考
细节判断题。答题依据为第七段第二句话。大剂量服用维生素会引起大出血、神经系统的毛病及其它副作用。故A为正确答案。

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