The Tallest Man on Record Measures 8'3" Tall

The tallest man on record measures 8'3" tall. Which of the following statements BEST reflects how he was able to reach such a height?

A) Like many fish, this man has indeterminate growth, and he will continue to grow until death.
B) During growth, the growth plates of his skeleton laid down cartilage at exceptionally fast rates, and the result was longer limbs and greater height.
C) He took longer to develop as a fetus before being born.
D) More of the bones in his body were formed directly without being formed as cartilage first, so his bones continued to grow as he achieved greater height.