Given:

If some sort of exception is thrown at line 34, which output is possible?（）

单项选择题Given: Which code, inserted at line 16, will cause a java.lang.ClassCastException?（）

A.Alpha a = x;
B.Foo f = (Delta)x;
C.Foo f = (Alpha)x;
D.Beta b = (Beta)(Alpha)x;

单项选择题Given: What is the result?（）

A.null
B.finally
C.null finally
D.Compilation fails.
E.finally exception