All of the Following Have Been Suggested as Ways in Which

All of the following have been suggested as ways in which poverty could add to the rate of mental disorders except

A) living a life of poverty is inherently stressful.
B) living in a poor section of a U.S. city can expose children to the stress of high crime rates.
C) people with mental disorders gravitate to poorer areas of cities.
D) poor areas of most U.S. cities have higher rates of toxins like lead.