What are the purposeful elements in a controlling idea?

If you think of the topic of a selection as a subject comment that controlling parentheses main or central parentheses idea of that selection is the most important things said about the subject or topic. Let's say we have an article to read in health class

the answer should be b.

explanation:

it should be b because she researched before writing so it would be in past tense. "the author researches her subject before she had written the first draft.

a) madame podtochina used witchcraft to make it disappear.