题目

样本频数分布反映了（     ）           A. 样本数据的多少                                                  B. 样本数据的平均水平 C. 样本数据的离散程度                                           D. 样本数据在各个小范围内数量的多少 答案：D ____ many times, I could not remember her telephone number.  A. Told          B. Being told    C. Having told    D. Having been told