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You need to meet the requirements

You are developing an application that contains a class named TheaterCustomer and a method
named ProcessTheaterCustomer. The ProcessTheaterCustomer() method accepts a
TheaterCustomer object as the input parameter.
You have the following requirements:
Store the TheaterCustomer objects in a collection.

Ensure that the ProcessTheaterCustomer() method processes the TheaterCustomer objects in the
reverse order in which they are placed into the collection.
You need to meet the requirements.
What should you do?

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A.
Create a System.Collections.Queue collection. Use the Enqueue() method to add
TheaterCustomer objects to the collection. Use the Dequeue() method to pass the objects to the
ProcessTheaterCustomer() method.

B.
Create a System.Collections.ArrayList collection. Use the Insert() method to add TheaterCustomer
objects to the collection. Use the Remove() method to pass the objects to the
ProcessTheaterCustomer() method.

C.
Create a System.Collections.Stack collection. Use the Push() method to add TheaterCustomer
objects to the collection. Use the Pop() method to pass the objects to the ProcessTheaterCustomer()
method.

D.
Create a System.Collections.Queue collection. Use the Enqueue() method to add
TheaterCustomer objects to the collection. Use the Peek() method to pass the objects to the
ProcessTheaterCustomer() method.

Explanation:
A stack is the appropriate collection here. In computer science, a stack or LIFO (last in, first out) is an
abstract data type that serves as a collection of elements, with two principal operations: push, which
adds an element to the collection, and pop, which removes the last element that was added.

https://en.wikipedia.org/wiki/Stack_(abstract_data_type)

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