The correct answer here is B.
Both Napoleon and Snowball definitely want the the farm run by animals by getting rid of Mr. Johns and they both are instrumental in spreading Animalism. But they are also different, Snowball wants animals to work together and run the farm, while Napoleon is more totalitarian and eventually usurps power.
Features that make this passage informal are:
a.) expression of subjective feelings - It's the way I make them.
c.) incomplete sentences - beat with a wire whisk. Done.
e.) first-person point of view - use of I.
