Choose the statements which makes use of essential properties rather than making data member public in C#.NET?

• A. Properties have their own access levels like private, public, protected etc. which allows it to have better control about managing read and write properties
• B. Properties give us control about what values may be assigned to a member variables of a class they represent
• C. Properties consist of set accessor inside which we can validate the value before assigning it to the data variable
• D. All of the mentioned