Which of these sentences is written correctly? A. The family next door is the most loudest in the neighborhood. B. That dog gets fatter every day. C. The most quickest way to feel better is drink water. D. The closet keeps getting more fuller.

The sentence which is written correctly is B. That dog gets fatter every day. A is incorrect because it should be "the loudest," without the word most. C is incorrect because it should be "the quickest," without the word most. D is incorrect because it should be "fuller," without the word more. The question is about how adjectives are compared to create comparatives and superlatives.