单项选择题
A.94,32,40,90,80,46,21,69 B.32,40,21,46,69,94,90,80 C.21,32,46,40,80,69,90,94 D.90,69,80,46,21,32,94,40
A.5 B.10 C.15 D.25
A.选择和插入 B.冒泡和快速 C.插入和快速 D.选择和冒泡