As Humankind Evolved Physically and Socially,the Brain Had to Evolve

As humankind evolved physically and socially,the brain had to evolve to manage problems related to these changes.The size of the brain increased,with the most significant growth occurring in areas that manage such processes as problem solving,creativity,and language.We can therefore say that the human brain was ______________ new environmental challenges.

A) transmitting
B) adapting to
C) storing
D) operationalizing