How do you know that a Development Team is cross-functional?

A. Development Team has all the skills to create a potentially releasable increment by the end of every Sprint B. A few of the Development Team members pair program and do Test Driven Development
C. There are no conflicts within the Development Team
D. Every member of the Development Team is able to perform every task

Correct Answer: A

Scrum Teams are cross-functional, meaning the members have all the skills necessary to create value each Sprint