Held and Hein's Work on the Development of Depth Perception

Multiple Choice

Held and Hein's work on the development of depth perception in kittens raised in darkness suggests that: (p. 380)

A) depth perception can develop fully even without visual stimuli or any engagement with the environment.
B) depth perception can develop fully as long as there is passive engagement with the environment.
C) depth perception can develop fully as long as there is active engagement with the environment.
D) even with active engagement, depth perception cannot fully develop without visual stimulation.