Which of the sentences is written correctly? A. The world's, largest chain of coffee stores Starbucks is opening a brand new store just around the corner. B. The world's largest chain of coffee stores, Starbucks, is opening a brand new store just around the corner. C. The world's largest chain, of coffee stores, Starbucks, is opening, a brand new store just around the corner. D. The world's largest chain of coffee stores Starbucks is opening a brand new store just around the corner.