[单项选择]

Text 4
In developing a model of cognition, we must recognize that perception of the external world does not always remain independent of motivation. While progress toward maturity is positively correlated with differentiation between motivation and cognition, tension will, even in the mature adult, lead towards a narrowing of the range of perception. Cognition can be seen as the first step in the sequence events leading from the external stimulus to the behavior of the individual. The child develops from belief that all things are an extension of its own body to the recognition that objects exist independent of his perception. He begins to demonstrate awareness of people and things which are removed from his sensory apparatus and initiates goal-directed behaviors. He may, however, refuse to recognize the existence of barriers to the attainment of his goal, despite the fact that his cognition of these objects has been previously demonstrated.
In the primitiv
A. Parents and teachers play a key role in his development of cognition.
B. He believes that objects around him independent of his perception.
C. Strong motivations give rise to perception which is polished further by the child itself.
D. He holds the conviction that things around him are parts of extended body and later on gives it up.