Studies That Followed Early and Late Maturers into Adulthood Have

Studies that followed early and late maturers into adulthood have found:

A) the differences between early- and late-maturing boys and girls increase with age
B) the differences between early- and late-maturing boys increase with age, while the differences between early- and late-maturing girls decrease with age
C) the differences between early- and late-maturing girls increase with age, while the differences between early- and late-maturing boys decrease with age
D) the differences between early- and late-maturing boys and early- and late-maturing girls both decrease with age