In what year was Leonardo DiCaprio born, and how old was he in 1990?
A) Born in 1974, he was 16 years old in 1990.
B) Born in 1969, he was 21 years old in 1990.
C) Born in 1975, he was 15 years old in 1990.
D) Born in 1965, he was 25 years old in 1990.