What Would Be the Next Best Strategy, Given the Alternatives

What would be the next best strategy, given the alternatives above?

A) Photographs and pen and ink drawings of community housing alternatives.
B) A field trip to an apartment house and a mobile home, and having a large tent put up on the playground.
C) A storybook about houses around the world, featuring those in Africa.
D) A furnished dollhouse, furnished doll apartment house, and a small or toy tent in the classroom.