I believe it is a poem where each stanza is three lines and it has a rhyme scheme of something like bcb or cbc
The correct answer is a.: specific.
This structure (this +adj) requires an adjective and the only adjective is in a., the other options are verbs or nouns and are not correct.
Answer:
2. Honesty, knowledge, appreciation, concern makes someone a good teacher.
3. If I could eat one type of food for the rest of my life, I would probably choose ice cream. I think it would take a year or so before I got tired of it.
Explanation:
My guess is A. It sets up a contrast between "To err" and "to forgive." had to look up caesura on poetry to really understand the question.