( 27 )要想在过程 Proc 调用后返回形参 x 和 Y 的变化结果,下列定义语句中正确的是
A.
) Sub Proc ( x as Integer,y as Integer )
B.
) Sub Proc ( ByVal x as Integer, y as Integer )
C.
) Sub Proc ( x as Integer,Byval y as Integer )
D.
) Sub Proc ( Byval x as Integer, Byval y as Integer )