题目比较下列负离子的亲核性,最大的是( )A. C6H5O-B. OH-C. C2H5O-D. (CH3)3CO-比较下列负离子的亲核性,最大的是( )A. C6H5O-B. OH-C. C2H5O-D. (CH3)3CO-题目解答答案D. (CH3)3CO-