I would say A)...
The topic of three styles of dog training can be broken down into many sub-categories. A topical pattern of organization organizes the information into subtopics.
Answer: Neoplatonists
Neoplatonism is a philosophy that emerged in the third century AD. It was also very influential to subsequent thinkers, in particular during the Middle Ages. The dominant idea that connected all Neoplatonists is that reality is derived from a single principle of truth, or "the One." This is similar to the original ideas of Plato, who believed that the Truth was only one which could be known.