Given classes defined in two different files：

What is required at line 5 in class SomeApp to use the process method of BitUtils？（）

A.Compilation of class A fails.
B.Line 28 prints the value 3 to System.out.
C.Line 28 prints the value 1 to System.out.
D.A runtime error occurs when line 25 executes.
E.Compilation fails because of an error on line 28.

A.Point p = new Point（）；
B.Line.Point p = new Line.Point（）；
C.The Point class cannot be instatiated at line 15.
D.Line l = new Line（）； l.Point p = new l.Point（）；

A.Mr. John Doe
B.An exception is thrown at runtime.
C.Compilation fails because of an error in line 12.
D.Compilation fails because of an error in line 15.
E.Compilation fails because of an error in line 20.