Danielle Frequently Wandered Around the Room During Calendar Time When

Multiple Choice

Danielle frequently wandered around the room during calendar time when she was enrolled in kindergarten. However, now that she is in the fourth grade, she has the ability to concentrate on solving her math problems until the problems are completed. This is most likely due to increases in myelinization of the

A) motor areas.
B) visual lobes.
C) auditory cortex.
D) reticular formation and frontal lobes.