You are designing a SharePoint 2010 application that includes a Task list. You have the following requirements:
For each task, allow users to specify one of three values for an item named Phase using a drop-down menu.
.Allow contributors to add new values for the Phase item. You need to design this application without using
custom code. Which approach should you recommend?

A.
Create a Multiple lines of text field type on the Task list.

B.
Create a Single line of text field type on the Task list.

C.
Create a Choice field type on the Task list that gets values from a custom list.

D.
Create a Lookup field type on the Task list that gets values from a custom list.