要想从过程调用后返回一个整数型结果，则下列过程说明正确的是 （ ）
A.Sub f1（Byval x As Single）As Integer B.Function f2(Byval x As Integer)As Single C.Sub f3(x As Integer) As Single D.Function f4(x As Integer) As Integer正确答案D
要想从过程调用后返回一个整数型结果，则下列过程说明正确的是 （ ）
A.Sub f1（Byval x As Single）As Integer B.Function f2(Byval x As Integer)As Single C.Sub f3(x As Integer) As Single D.Function f4(x As Integer) As Integer正确答案D
