Gracie Has Been Walking for 2 Months

Multiple Choice

Gracie has been walking for 2 months. However, when her mom puts a backpack on her with her lunch and nap needs, she keeps falling down. Researchers suggest that this indicates that:

A) children cannot understand the idea of carrying things while walking.
B) muscle strength is important in the development of skill in walking.
C) she began walking too early.
D) she may struggle with further motor development.