Answer: Focus group
Explanation: In simple words, it refers to a group that is formed by the organisation with the objective of making them discuss so they can gather the ideas regarding the manner of operations that are to performed for a specific project.
In the given case, the company wants to ascertain a factor that keeps on changing constantly. Hence they need to form a focus group that can generate ideas and can see things through various different perspectives.
Hence the correct option is C.