题目

 Hello, Miss Li. ________.       A. Here's some flowers for you           B. Here are some flowers for you       C. Here's some flowers of you              D. Here are some flowers of you   答案：B对于数据2，4，4，5，3，9，4，5，1，8，4，中频数最多的数据是（　　）． A．2 B．3 C．4 D．5