When comparing two sources is it helpful to

I might need more context to this question. However, if you're referring to easier ways to compare sources with mental tasks, I would say to underline key words, bold / slanted words and / or look for short definitions at the bottom of your reading.

Usually reading over your notes should help. The answer you're looking for is in plain sight. I promise.

Hope this helps!

Explanation:

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.