[单项选择]People have wondered for a long time how their personalities and behaviors are formed. It is not easy to explain why one person is intelligent and another is not, or why one is cooperative and another is competitive.
Social scientists are, of course, extremely interested in these types of questions. They want to explain why we possess certain characteristics and exhibit certain behaviors. There are no clear answers yet, but two distinct schools of thought on the matter have developed. As one might expect, the two approaches are very different from one another, and there is a great deal of debate between proponents of each theory. The controversy is often referred to as "nature / nurture".
Those who support the " nature" side of the conflict believe that our personalities and behavior patterns are largely determined by biological and genetic (遗传学的) factors. That our environment has little, if anything, to do with our abilities, characteristics, and behavior is central to this
A. supports the nature theory
B. supports the nurture theory
C. believes both are completely wrong
D. thinks that the correct explanation of human behavior will take ideas from both theories