Some Researchers Think the Most Significant Evolutionary Advance in the Human

Some researchers think the most significant evolutionary advance in the human brain was the development of association cortex,which is thought to be responsible for the:

A) human ability to have many emotions rather than the primary three.
B) complex coordination of motor behaviours.
C) ability to acquire new mental skills specific to our human way of life,such as reading and mathematics
D) ability to recognize kin.