How do you configure Workspace for the fastest end user experience while also ensuring that European user data is contained in Europe?

You are the Workspace administrator for an international organization with Enterprise Plus Workspace licensing. A third of your employees are located in the United States, another third in Europe, and the other third geographically dispersed around the world. European employees are required to have their data stored in Europe. The current OU structure for your organization is organized by business unit, with no attention to user location.

How do you configure Workspace for the fastest end user experience while also ensuring that European user data is contained in Europe?
A . Configure a data region at the top level OU of your organization, and set the value to “Europe”.
B. Add three additional OU structures to designate location within the current OU structure.
Assign the corresponding data region to each.
C. Configure a configuration group for European users, and set the data region to “Europe”.
D. Configure three configuration groups within your domain. Assign the appropriate data regions to each corresponding group, but assign no preference to the users outside of the United States and Europe.

Answer: C

Explanation:

https://support.google.com/a/answer/7630496?hl=en#zippy=%2Cstep-set-the-organizational-structure "put them in a configuration group (to set for users across or within departments)".