用直接插入排序算法对下列4个表进行(从小到大)排序,比较次数最少的是()。 A.94,32,40,90,80,46,21,69 B.21,32,46,40,80,69,90,94
C. 32,40,21,46,69,94,90,80 D.90,69,80,46,21,32,94,40
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正确答案:B