Because if you are ever doing research, for instance when you have to turn in your thesis for your PhD, you have to pass peer review. Also intellectual data that is not yours has to be properly cited otherwise it is considered academic dishonesty.
Answer:
You tell them that its not them its urself and u have alot going on rn that you just need to focus on urself :)
Explanation:
D. A dependent clause is one in which it could not be its own sentence without causing a fragmental sentence. Think about it like this, if someone walked up to you and said all of those to you, because they went to school requires more information.