I think it is d. if i'm wrong please tell me.<span />
I believe it's the third answer, Hopeful Reverence
The words remorse and regret are synonymous to each other. Meaning with deep regret and guilt. Therefore the correct answer to this question is letter "B. Synonyms". Homophones are words that sound similar to each other, and Antonyms are words that have opposite meanings with each other.