[单项选择题] 已知有下面过程: Private Sub proc1(a As Integer,b As String,Optional x As Boolean) ...... End Sub
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[单项选择题] 已知有下面过程: Private Sub proc1(a As Integer,b As String,Optional x As Boolean) ...... End Sub 正确调用此过程的语句是______。
A.Call procl(5)
B.Call procl 5,"abc",False
C.procl(12,"abc",Tru
D.procl 5,"abc"
参考答案: