单选题 The children ______ many times not to go near the reservoir.
A. were being told B. have been told C. had been told D. told

【正确答案】 B

【答案解析】[解析] many times表明谓语动词要用现在完成时，表示动作发生的次数之多，强调对现在产生的影响或结果。且从题意可以看出，孩子们应该是“被告诉”，应该使用现在完成时的被动语态，即“have/has been done”的结构。