Correct statement about C# code is? public class maths { public int x; public virtual void a() { } } public class subject : maths { new public void a() { } }

• A. The subject class version of a() method gets called using sample class reference which holds subject class object
• B. Subject class hides a() method of base class
• C. The code replaces the subject class version of a() with its math class version
• D. None of the mentioned