To answer this question, we need to understand the access modifiers in C#.
In C#, the protected internal access modifier allows access to the method from within the same assembly or from types derived from the containing class.
Let's go through each option to determine which one is correct:
Option A) Access is limited to the current assembly - This option is incorrect. The protected internal access modifier allows access not only to the current assembly but also to types derived from the containing class.
Option B) Access is limited to the containing class or types derived from the containing class - This option is incorrect. The protected internal access modifier allows access not only to the containing class but also to the current assembly.
Option C) Access is limited to the containing type - This option is incorrect. The protected internal access modifier allows access not only to the containing type but also to the current assembly and types derived from the containing class.
Option D) Access is limited to the current assembly or types derived from the containing class - This option is correct. The protected internal access modifier allows access to the method from within the same assembly or from types derived from the containing class.
Therefore, the correct answer is D.