I'm not sure but here's the definition of Parallel Structure. ( Using the same pattern of words to show that two or more ideas have the same level of importance). You can go with either the first or second sentence that's my opinion but I'm really not 100% sure. Sorry I couldn't been more helpful. I tried
The sentence which best state the idea that the above excerpt developed is the sentence given in option B. Option B is the correct answer. What the given excerpt is trying to explain is that there are many women with literary talents just like Jane Austen and Emily Bronte, but their talents were never discovered unlike these two female authors. Jane Austen and Emily Bronte were widely acknowledge as very successful novelists.
All of these could be considered an "author's purpose". An author is technically anyone who writes anything, therefore the purpose of writing is theoretically limitless. If you have to choose one of these, however, it would be "to remind".
D that’s my answer ... hope it helps!