Direction: Read the following statements carefully to answer these questions: I. X is older than L, II. M and N are of equal age. III. Z is the youngest. IV. Y is younger than N. V. Y is older than X. Which statement(s) is/are not required to prove that L is younger than M?

• A.  III only            
• B.       III and IV
• C.  IV and V         
• D.       III and V