Answer:
D
Explanation:
I choose D because Main Reason for narrowing a research paper topic is to build an argument.
I don't know exactly what you are looking for but maybe this could help: The dog was golden like the sun. It really liked to run. It had long fur but was as small as a mouse. Teeth the size of pins grew in its mouth.
Its correct the way it is,what you can do if process of elimination to see which one sounds correct.
Diminish means that it would disappear or get better.
so. C.
A
Because it is, i toon the same thing