There are 20 books kept in a pile. The ratio of fiction books to the remaining books is 2:3. Which of the following statements are true? There are 12 fiction books. The ratio of fiction to remaining kind of books is 4:6. There are 8 fiction books. The ratio of remaining to fiction books is 9:6.

• A. FTTF        
• B. FFTT        
• C. TFTF                          
• D. TTFF