Answer:
D. cross-functional self-managed team.
Step-by-step explanation:
Joe's team is an example of a cross-functional, self-managed team.
A cross functional team brings together employees or specialists from different areas like engineering, marketing, procurement, finance, research, etc. to work together on a long-term basis in order to achieve a goal or success.
Also, when they can make decisions on their own after being empowered, they're now a self-managed team.