Ratna's father was 38 years old when she was born while her mother was 36 years old when her brother 4 years younger to her was born. What is the difference between the ages of her parents?

• A. 24 years
• B. 4 years
• C. 6 years
• D. 8 years

• 6 years

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