Which of the Following Was NOT Identified in the Text

Which of the following was NOT identified in the text as an important reason to do cross-cultural research on human sexuality?

A) it provides a notion of the variation that exists in human sexual behaviour.
B) it helps put one's own behaviour and attitudes in perspective
C) the studies provide evidence about the importance of culture in shaping sexual behaviour
D) it provides information about the many exotic people in this world and their exotic sexual behaviours