• 1. (2015·杭州模拟) 在Visual Basic中，下列循环程序段输出“*”的个数最小的是（   ）

  A . a = 5: b = 8  Do    Print "*"    a = a + 1  Loop While a < b B . a = 5: b = 8  Do    Print "*"    a = a + 1  Loop Until a < b C . a = 5: b = 8  Do Until a>b    Print "*"    b = b + 1  Loop   D . a = 5: b = 8  Do Until a>b    Print "*"    a = a + 1  Loop