Jenna Sees a Picture of a Dog Standing in Front

Jenna sees a picture of a dog standing in front of a tree.The dog is blocking part of Jenna's view,so that she cannot see a portion of the tree trunk.Jenna does,however,perceive the tree to have an intact,continuous trunk.Jenna's perception reminds us that

A) people generally "fill in" missing perceptual information,guided by the Gestalt principles.
B) people generally assume that trees have intact trunks.
C) people are able to perceive accurately if the scene they are viewing is a familiar one.
D) the viewer's contribution to perception is evident in the laboratory but not in more realistic settings.