While most of the books in this pile have been classificated, some are still in need of categorization.Đoạn văn59/65While most of the books in this pile have been classificated, some are still in need of categorization. A B C DNhập câu trả lời ở đây0/3000 ký tựXác nhậnGiải thíchĐáp án đúng là B (classified)