单项选择题
A.2 B.3 C.4 D.5
A.(10,50,80,30,60,20,15,18) B.(10,18,15,20,50,80,30,60) C.(10,15,18,50,80,30,60,20) D.(10,30,60,20,15,18,50,80)
A.(102,87,100,79,82,62,84,42,22,12,68) B.(102,100,87,84,82,79,68,62,42,22,12) C.(12,22,42,62,68,79,82,84,87,100,102) D.(102,87,42,79,82,62,68,100,84,12,22)