Robert Levine and His Colleagues (1994)have Found Support for the Urban

Robert Levine and his colleagues (1994) have found support for the urban overload hypothesis.More specifically,they have found that _______ was more strongly related to helping than _______.

A) population size; cultural norms related to helping.
B) population size; where helpers grew up.
C) population density (number of people per square mile) ; rural versus urban settings.
D) population density; population size.
E) rural versus urban settings; cultural norms related to helping.