单击命令按钮时,下列程序的执行结果是( )。Private Sub Book(x As Integer)x=x * 2 + lIf x<6 ThenCall Book(x)End IfX=X * 2 + 1Print x;End SubPrivate Sub Command2_Click()Book2End Sub
A.package testpackage;public class Test{ }
B.import java.io.* ;package testpackage;public class Test{ }
C.import java.io.*; class Person{ }public class Test{ }
D.import java.io.*;import java.awt.*;public class Test{ }