The first answer is interrogative verb because you are interrogating someone about a question, it also called helping verb.
The second answer is conditional verb.
Answer: D
Explanation: Most authors write in order to reach the audience. We know A isn't the answer because it may not be for everyone. We know that B and C cannot be correct because when you write you are not assured anything. There are authors out there who are not famous and make no money.
Hope that helps :)
My interpretation is that the poem will be about something that is thought to be mad or crazy may not actually be that crazy after all :)
