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 set of statements proves that X is younger than M?

• A.  I, 11, IV          
• B.       11, IV, V  
• C.  I, IV, V            
• D.       None of these