Sanjay and Ryan Are 4-Year-Old Friends

Multiple Choice

Sanjay and Ryan are 4-year-old friends.When they are together,they often wrestle,run,race,push,and shove each other.Although their level of activity often aggravates their parents,we know that this activity will:

A) help the boys develop gross motor skills.
B) stop when their brains become better myelinated.
C) be temporary,because it is not normal for children this age.
D) help the boys develop the fine motor skills they will need in kindergarten.