单项选择题

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
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