If you accept either C or D as the correct revision then you have to accept both of them. Hence the best way to treat the sentence is to ignore both of them.
B is not correct either. You can over punctuate.
That leaves A.
Sometimes the right answer to many things is to do nothing. My dad used to say "Don't fix what isn't broke."
A is the answer <<<<<
Answer:
jubilant
Explanation:
it means 'feeling or expressing great happiness and triumph'
1. Eurylochus - troublemaker of Odysseus's crew
2. Sisyphus - cheated death twice.
3. Agamemnon - famously distrustful of women
4. Circe - tells Odysseus's future
5. Hermes - advises Odysseus on how to not become a pig
6. Zeus - destroyss Odysseus's ship with a thunderbolt.
7. Poseidon - destroys Odysseus's raft with a storm
8. Aeolus - master of winds
9. Antiphates - king of the Laestrygonians
10. Nausicaa - Phaeacian princess
C. Combine the sentences to condense the repetitive info. about inprovement.
Answer: Preposition
Explanation: "to" is a preposition because it is used as a basic form of a verb. (infinitive)
Hopefully this Helps.