1. He is the best cook in town, and I love to have dinner at their place! - C) Immature writing because there aren't many descriptive words.
2. Because he has unrivaled skills in the kitchen, there is nowhere I would rather consume my food than their dinner table. - B) Mature writing because there is a fair enough use of descriptive words and stays on topic.
3. The substance he concocts in the scullery is beyond compare and i want to ingest no other nourishment than that which he provides. - A) Overuse of thesaurus because the words are so descriptive that it takes off the attention of the idea of the sentence.