Answer:
C.
Explanation:
This is an example of an analogy.
An analogy is a comparison between two things having some similarities. Such comparison is done in order to give clarification by stating an understandable thing to lesser understandable fact.
In the question, the understandable example that is given is "laboratory:campus", which shows that the laboratory belongs to the institution of campus. So, to complete this analogy of belonging, "professor" belongs to "faculty" as he teaches in this institution.
So, correct answer is option C: faculty.
