单选题

若给定的关键字合集为{20,15,14,18,21,36,40,10}，一...

Question

若给定的关键字合集为{20,15,14,18,21,36,40,10}，一趟快速排序结束时，数据的排序为（）

A. 10,15,14,18,20,36,40,21

B. 10,15,14,18,20,40,36,21

C. 10,15,14,20,18,40,36,21

D. 15,10,14,18,20,36,40,21