Which Statement About Children's Map-Making Abilities Is True

Which statement about children's map-making abilities is true?

A) Preschool children do not yet include landmarks on maps they draw.
B) By age 6, most children can accurately place stickers on a map to indicate landmarks.
C) By age 7, most children can give clear, well-organized instructions for getting from one place to another.
D) By age 12, most children can grasp the notion of scale.