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设有以下函数过程 Private Function Fun(a( )As Integer,b As String)As Integer … End Function 若已有变量声明: Dim x(5)As Integer,n As Integer,ch As String 则下面正确的过程调用语句是( )。

A.x(O)=Fun(x."ch")

B.n=Fun(n.ch)

C.CallFun X,"ch"

D.n=Fun(x(5),ch)


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