Seven years ago, the ages (in years) of A and B were in the ratio 4 : 5 and 7 years hence, their ages will be in the ratio 5 : 6. What will be the ratio of their ages 5 years from now?

• A. 34 : 41
• B. 33 : 40
• C. 33 : 34
• D. 31 : 33