publicclassTest{publicstaticvoidmain（Stringargs）{classFoo{publicinti=3；}Objecto=（Object）newFoo（）；Foofoo=（Foo）o；System.out.printIn（foo.i）；}}Whatistheresult？（）

A.Compilationwillfail.
B.Compilationwillsucceedandtheprogramwillprint“3”
C.CompilationwillsucceedbuttheprogramwillthrowaClassCastExceptionatline6.
D.CompilationwillsucceedbuttheprogramwillthrowaClassCastExceptionatline7.