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.
The meaning of remorse is "deep regret or guilt for a wrong committed." while the meaning of regret is very similar to the meaning of remorse. So therefore the answer is B.
