题目

—You haven't said a word about my new coat, Brenda. Do you like it? — I'm sorry I________ anything about it sooner. I certainly think it's pretty on you. A. wasn' t saying         B. don' t say            C. won' t say        D. didn' t say 答案：D如图，双曲线与直线y=k2x相交于A、B两点，如果A点的坐标是（1，2），那么B点的坐标为    ．