Juliana Is an American Sociologist Whose Research Centers on Why

Juliana is an American sociologist whose research centers on why some people become homosexual and others do not.According to the text,why do investigators like Juliana devote such considerable time to research focused on this question?

A) because heterosexuality is the norm for most people in U.S.culture
B) because increasing numbers of people are becoming homosexual
C) because it has only recently been learned that people are only born homosexual
D) because various religious organizations funded such research to try to counter trends that they viewed as anathema
E) because sociologists as a group are more likely to become homosexual than the general population