The difference between the age of mother and father is 3 years. After the marriage, a son was born to them after 3 years. If the average age of the couple at the time of their son's birth is 35 years, then the couple got married how many years ago if father's present age is 29 years?

• A. 4 years 6 months
• B. 5 years
• C. 1 year 6 months
• D. 3 years
• E. 2 years