You are designing a class library that will be used for all of your company’s ASP.NET Web applications.
A specific variable in a helper class within the library holds very sensitive information.
You need to ensure that the variable is not visible to developers when they are debugging any of the Web applications.
Which two actions should you recommend?
(Each correct answer presents part of the solution. Choose two.)

A.
Make the variable private.

B.
Make the variable protected.

C.
Use the Debugger Display attribute

D.
Use the Debugger Browsable attribute.