Concerning the Major Psychological Perspectives on Behavior,the Text Author Suggests

Concerning the major psychological perspectives on behavior,the text author suggests that

A) researchers should work within the framework of only one of the perspectives.
B) only those perspectives that emphasize objective measurement of behavior are useful.
C) the different perspectives often complement one another; together,they provide a fuller understanding of behavior than provided by any single perspective.
D) psychologists should avoid all of these traditional perspectives.