You are using Microsoft Test Manager (MTM). You are using the Microsoft Solution Framework (MSF) for Agile Software Development process template. You have created a test plan named Validate_User_Registration that contains test cases for validating new user registrations. All the user stories for the new user registration feature have been stored as work items in 2012. You need to associate the user registration user stories with the test cases in the Validate_User_Registration test plan. What should you do?
A. Open the test plan. Use the Add requirements function to add the user registration requirements.
B. Open the test cases. Upload the user registration requirements document as an attachment.
C. Open the test cases. From the Tested User Stories tab, link the test case to the associated user stories.
D. Open the test plan. Link the user registration requirements document to the test plan.