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单项选择题 1.public class Test {  2.public static void main （String args[]） {  3.class Foo {  4.public int i = 3；  5.}  6.Object o = （Object） new Foo（）；  7.Foo foo = （Foo）o；  8.System.out.printIn（foo. i）； 9. }  10.}   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.

  • B

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