Which Statement Describes a Characteristic of Human Evolutionary History and a Similarity

Which statement describes a characteristic of human evolutionary history and a similarity that we have with our hominin relatives and ancestors?

A) Humans have especially long arms to allow them to move in trees.
B) Humans have small skulls to make the birthing process easier.
C) Humans have a relatively short time span during which they depend on adults.
D) Humans have a relatively long period of childhood dependence on adults before reaching maturity.