Which among the following is the correct way to access all the elements of the Stack collection created using the C#.NET code snippet given below?

Stack st = new Stack();
st.Push(10);
st.Push(20);
st.Push(-5);
st.Push(30);
st.Push(6);

A. To define namespaces B. To declare variables C. To import external libraries D. To create instances of classes

A. Exits the switch statement B. Skips the current iteration C. Continues to the next iteration D. Throws an exception

A. public B. internal C. protected D. private

A. To declare a constant B. To prevent a variable from changing C. To allow a variable to be changed D. To declare a static variable