Identify a True Statement About Mirror Neurons

Identify a true statement about mirror neurons.

A) They fire both when an animal acts and when the animal observes the same action being performed by another animal.
B) They are only present during the first year of life and are then discarded.
C) They lack awareness of an intention or a goal.
D) They make the brains of young children two-and-a-half times more active than the brains of adults.