What should the marketer do to ensure the data extension appears as a Recipient Test Data Extension in the Test Send menu?

A marketer for Northern Trail Outfitters needs to see test emails for each subscriber in a data extension.

What should the marketer do to ensure the data extension appears as a Recipient Test Data Extension in the Test Send menu?
A . Save the data extension in the Test Folder.
B. Create the data extension as ‘Is Testable’.
C. Associate the data extension to the Campaign.

Answer: B