The Tohono O'odham (Northern Pima) Are at a High Risk

The Tohono O'odham (Northern Pima) are at a high risk for obesity and diabetes because:

A) their genome changed after their river was diverted and they could no longer farm.
B) when their river was diverteddiverted, they had were left with onlyonly unhealthy ful foods to eat , and they also became relatively inactive physically.
C) they were starving when the US government decided to provide them with free food, so their bodies went into a high-drive fat storage mode in response.
D) This is a trick question because the Southern Pima are the ones who are at a heightened risk.
E) they are simply prone to these conditions biologically.