【单选题】
1.public class Test { <br /> 2.public static void main （String args[]） { <br /> 3.class Foo { <br /> 4.public int i = 3； <br /> 5.} <br /> 6.Object o = （Object） new Foo（）； <br /> 7.Foo foo = （Foo）o； <br /> 8.System.out.printIn（foo. i）；<br /> 9. } <br /> 10.}  <br /> What is the result？（）  
A、 Compilation will fail.
B、 Compilation will succeed and the program will print “3”
C、 Compilation will succeed but the program will throw a ClassCastException at line 6.
D、 Compilation will succeed but the program will throw a ClassCastException at line 7.
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