The sum of the ages of a father and his son is 100 years now. Five years ago, their ages were in the ratio of 2:1. The ratio of the ages of father and son after 10 years will be

• A. 5:3
• B. 3:5
• C. 10:7
• D. 4:3

• 5:3

Please select one of the options to reveal the correct answer.