What should happen to a research question when it is refined? It should get longer. It should get shorter. It should become more specific. It should become more general.

It should become more specific.

Explanation:

When we are writing a research question, our first draft would usually be a general version of the idea that we have, but one that is not clear or specific enough. Therefore, this question would most likely need to be refined. When a question is refined, it tends to become more focused on the subject that we want to discuss in the essay. This means that it becomes more specific.