单项选择题

下列程序段的执行结果为  m=1  n=1  Select Case m    Case 1      Select Case n        Case 0           Print "* * 0 * *"        Case 1           Print " * * 1 * * "     End Select   Case 2     print " * * 2 * * "  End Select

A.* * 0 * *
B.* * 1 * *
C.* * 2 * *
D.0