单项选择题
Given: If some sort of exception is thrown at line 34, which output is possible?()
A.a B.b C.c D.ac E.abc
A.Alpha a = x; B.Foo f = (Delta)x; C.Foo f = (Alpha)x; D.Beta b = (Beta)(Alpha)x;
A.null B.finally C.null finally D.Compilation fails. E.finally exception