A. Both my parents are not teachers B. Neither my parents is a teacher C. Either my parents is a teacher D. None of my parents is a teacher 参考答案:A 答案解析:[分析] 本题测试点是代词的用法。both用于否定句,可以放在句首或助动词后,表示部分否定,意指“并非两者都…”,题中交待得很清楚,仅母亲是老师,因此A项符合题意。B项neither表示“两者都不”,