Answer: Choosing a particular subject like "healthcare' to focus on
Explanation:
There are various ways to narrow the scope of a research topic such as choosing a particular population, time period, location in the world and causes and the like. This will enable the research to be easier to do and cheaper as well.
Choosing a particular subject will not necessarily narrow a topic because the topic is most likely under a subject as well. Basing it again on a subject would broaden the scope as subjects are general in nature.
Answer:
"Her grin was enormous"
Explanation:
Hi there! The answer would be "Her grin was enormous" because it shows how proud she was. If you weren't proud of yourself, would you be smiling?
I hope this helps! :)
B. a gain I believe is the correct answer.