Massey and Gelman's Investigation of Children's Ability to Differentiate Between

Massey and Gelman's investigation of children's ability to differentiate between animate and inanimate kinds yielded which of the following results?

A) Children attributed self­initiated movement to living creatures, but not nonliving objects.
B) Children attributed self­initiated movement to both living and non­living things.
C) Children attributed self­initiated movement on the basis of whether or not an item had legs/feet rather than on the basis of life status.
D) Children did not attribute self­initiated movement to any of the items tested.