Researchers Demonstrated a Relationship Between the Extent to Which People

Researchers demonstrated a relationship between the extent to which people in large cities help strangers and the degree of cultural embeddedness in the city (i.e.,concern for family and in-group members) .As cultural embeddedness increased,people were less likely to help strangers.This relationship indicates that

A) concern for family and in-group members causes people to avoid helping strangers.
B) helping strangers causes a decrease in cultural embeddedness.
C) both (A) and (B)
D) neither (A) nor (B)