C. who or what the passage is about
A. Purpose
I believe this is purpose because she is writing to argue that distributing medicine to rural parts of the world was worth doing.
Answer:
Lady Macduff has a close and loving relationship with her son, which contrasts Lady Macbeth when she claims she would have 'dashed the brains out' of her own child. She is also upset by Macduff's abandon, which suggests that he may be more loyal to his country than his wife (the opposite of Macbeth).
Explanation:
B is the best answer. It gives the reader the context of the quote by stating the speaker and what is happening. It also has the quote which is more credible than just a word or two pulled out. Since it's just introducing this information, it also allows the writer of the essay to expand the idea with further explanation.
