Answer:
The correct answer is letter "A": virtual teams.
Step-by-step explanation:
Virtual teams are groups of people physically located in different regions that are part of the same organization or even the same department who interact with each other through online based mediums such as computers or mobile devices via corporate chats, e-mails, phone calls, or videoconferences.
Regardless of the differences in time and cultures, virtual teams work towards achieving a common goal.