Which of the following is the most accurate statement regarding the etiology of homosexuality?

A) It is a genetic trait
B) It is determined by hormone levels
C) It is likely a combination of nature and nurture
D) It is a social construct

The etiology of homosexuality is complex and not fully understood, but current research suggests that it is likely a combination of biological, including genetic and hormonal factors, and environmental influences, rather than being solely attributable to any single factor. This perspective acknowledges the roles of both nature (biology) and nurture (environment) in sexual orientation.