Answer a seems to be the best choice to use
Appendices is the plural word
Answer:
D.
Explanation:
I would choose D because an author would share his own experiences and beliefs into their powm. A poem is a form of expression. The author can't express other peoples beliefs that aren'this own. Maybe if you shared the poem it would be helpful to determine the authors ideas.
...when you lose self confidence. I think. Tell me if that helps.