Directions: The question is followed by two statements, I and II. Answer the question using the following instructions. A. The question can be answered by using statement I alone but cannot be answered by using the other statement alone. B. The question can be answered by using statement II alone but cannot be answered by using the other statement alone. C. The question can be answered by using either of the statements alone. D. The question can be answered by using both the statements together but cannot be answered by using either of the statements alone. E. The question cannot be answered even by using both the statements together. What is the present age of J? I. Five years ago, the ratio of the age of J to that of L was 2 : 3. The difference between the ages of J and L is 3 years. II. The sum of the ages of J and K is 20. The difference between the ages of J and K is 4 years.