Managerial Basic Training (Scenario)

Managerial Basic Training (Scenario)
Imagine that your marketing company has just merged with a manufacturing organization. You have been asked to help provide some "basic" managerial training to the engineers in the research and development unit of the new sister company. To make sure you are covering the necessary issues, your boss has asked to see an overview of materials that you will be providing the engineers.
-Now that both companies are merged and are a systematic arrangement of people set to accomplish a specific purpose, they could be described as a(n) ________.

A) organization
B) holding company
C) multinational company
D) business unit