[单选题]

下列程序段的执行结果为 a=2 b=0 Select Case a Case 1 Select Case b Case 0 Print " * * 0 * " Case 1 Print" * 1 * " End selec Case 2 Print " * 2 * " End Select
A． * 0 * *
B．* * 1 * *
C．* * 2 * *
D．0

下列程序段的执行结果为 a=2 b=0 Select Case a Case 1 Select Case b Case 0 Print " * * 0 * *" Case 1 Print" * * 1 * *" End selec Case 2 Print " * * 2 * *" End SelectA．* * 0 * *B．* * 1 * *C．* * 2 * *D．0