I would go with the 3rd option
Characterization is the correct answer
The synonym that describe the greatest degree of regret would be : D. Repentant : Feeling remorse to a degree marked by an extreme change
For example, people who felt repentant because he tend to scam other people make a drastic change and decided to became a monk in Asian continent
hope this helps
Answer:
. if you are at any time obliged to enter an argument, give your reasons with the utmost candor and modesty, two qualities which will scarcely ever fail to make an impression upon your hearers.”
Explanation: I took the test :)