Surveying two centuries of anthropological reports,Hupka concluded that

A) jealousy is caused by hormones.
B) jealousy is a natural instinct.
C) jealousy is neither universal or innate.
D) jealousy is common in societies where few restrictions are placed on sex.

Anthropological Reports

Documents or studies that present findings on human societies, cultures, evolution, and social behaviors from an anthropological perspective.

Jealousy

A complex emotion that arises when a person perceives a threat to a valued relationship or possession, often leading to feelings of insecurity or anxiety.