Studies Comparing Individuals from Crowded Versus Uncrowded Neighbourhoods Found

Studies comparing individuals from crowded versus uncrowded neighbourhoods found

A) no real differences in hypertension levels.
B) no similarity to findings from animal studies on crowding.
C) residents from crowded neighbourhoods had higher heart rate and blood pressure increases during stressful tasks than did residents from uncrowded neighbourhoods.
D) residents from uncrowded neighbourhoods had higher heart rate and blood pressure increases during stressful tasks than did residents from crowded neighbourhoods.