有如下程序段,数组元素a(1)到a(5)的值依次为“33,24,4,16,77”,执行该程序段后,变量t的值为( ) t=0 For i=1 To 4 flag=False For j=5 To i+1 Step-1 If a(j)>a(i) Then flag=True t=t+1 temp=a(j):a(j)=a(i):a(i)=temp End If Next j If flag=False Then Exit For Next i
A . 2
B . 3
C . 4
D . 5
答案:B