1. (2020·浙江模拟) 小赵对选择排序算法进行了修改改进，VB程序段如下：

i = n

Do While i >=2

k = i

For j =            To 1 Step -1

If a(j) > a(k) Then k = j

Next j

If i <> k Then

t = a(k): a(k) = a(i): a(i) = t

End If

                 

Loop

则下列说法正确的是(  )