Answer:
The answer is: An informal idiom
The most likely correct answer to me would be D
Answer: True
Explanation: In order to do a research on any topic, the first step is to establish the significance of the study, since making this statement is the basis of any proper investigation. It allows the writer to approach the purpose accurately and have high-quality knowledge in the field, avoiding then, any possible confusion or misleading of the topic.
I'm pretty sure its first person. because the person keeps saying "I" and "our" which is a little sign of it being first person.
Hope that helps.