class A {   public byte getNumber （） {   return 1；   }   }   class B extends A {   public short getNumber（） {   return 2；   }    public static void main （String args） {   B b = new B （）；    System.out.printIn（b.getNumber（））  }   }   What is the result？（）  

• A、 Compilation succeeds and 1 is printed.
• B、 Compilation succeeds and 2 is printed.
• C、 An error at line 8 causes compilation to fail.
• D、 An error at line 14 causes compilation to fail.
• E、 Compilation succeeds but an exception is thrown at line 14.