A set of 10 new questions in each round. Question: ( 1 of 10 ) If the sum of the ages of two people is 25 and the difference between their ages is 5, then find their ages. (A) 25 years and 5 years (B) 30 years and 20 years (C) 15 years and 10 years (D) 23 years and 15 years