Someone who has unlimited power or authority; like a ruler
He gave a cursory look at my artwork and told me that there was a dearth of evidence that I did this myself.
Answer: He was capable of being loved.
Explanation: He thought he had to change himself in order to be loved, and felt like he wasn’t enough but he learned his worth.
B. would be the correct comparison because the others either use wrong term or double comparison like more better. Best would be superlative and used for comparing three or more things. Gooder is not a word. More better is double comparison.