Answer:
I would go with A but I'm not sure
In animal farm, the leading pigs used trickery to control the rest of the animals. when questioned about their reasoning, the pigs quickly used persuasion to convince the animals that they were right.
have you tried looking the word up in the Dictionary? if that doesnt help much, you can guesstimate the word by searching it in the thesaurus! it will give you synonyms of the word.
hope that helps!