There are 50 stories in a book.~ Pip read 24 stories, Bud read 16 stories, Mary read 12 stories.~~What is the largest possible number of children who read only one kind of these stories? 
选项为:A:$$12$$  B:$$40$$  C:$$52$$  D:$$49$$  E:$$50$$  请回答其中一个选项.