【单选题】
public class Test { <br /> public static void main（String args[]） { <br /> class Foo { <br /> public int i = 3；<br /> } <br /> Object o = （Object）new Foo（）； <br />  Foo foo = （Foo）o； <br /> System.out.println（“i = “ + foo.i）；<br /> } <br /> } <br /> What is the result？（）  
A、 i = 3
B、 Compilation fails.
C、 A ClassCastException is thrown at line 6.
D、 A ClassCastException is thrown at line 7.
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