With Respect to the Effect of Population Density on Feeling

With respect to the effect of population density on feeling aggressive, data suggest that:

A) there is no link between these variables.
B) there is a link between these variables, but only in freezing weather.
C) a fine-grained measure such as household density is a predictor of savagely violent feelings.
D) feeling crowded in a prison environment has led to perceptions of hostility.