请问以下双重循环,外循环和内循环合起来一共执行了多少次? For i = 0 To 8 For j = i + 1 To 9 If a(i) < a(j) Then t = a(i) a(i) = a(j) a(j) = t End If Next Next A、81B、72C、46D、45 请问以下双重循环,外循环和内循环合起来一共执行了多少次? For i = 0 To 8 For j = i + 1 To 9 If a(i) < a(j) Then t = a(i) a(i) = a(j) a(j) = t End If Next Next A、81B、72C、46D、45