Respuesta :
Answer:
A. colleague
Explanation:
Colleague is the best fit answer because it refers to someone in a professional setting.
The blank will be filled with the colleague. Colleague is a person with whom one works in a profession or business.
What are the difference among colleague, friend and companion?
Friend is a person other than family member, spouse or lover whose company one enjoys and towards one feel affection.
Colleague is a person with whom one works in a profession or business. While companion is a friend, acquaintance, or partner someone with whom one spends time or keep company.
Therefore the correct option is A.
Learn more about the Colleague here:
brainly.com/question/9605535