题目选项分析

The Yorgorian people, many of whom still live in the jungle in traditional conditions, eat many meats of jungle mammals, resulting in a cuisine that is high in the protein RX7G, much higher than the cuisine of the industrial nation of Transpraxia. Medical research has shown a high correlation between the protein RX7G and coronary heart disease, and yet, the Yorgorian people have a much lower incidence of such disease than found in Transpraxia. Medical researchers have dubbed this the Yorgorian Paradox.

Which of the following, if true, helps to explain the Yorgorian Paradox?

【选项】The protein RX7G is in higher concentration in the meat of some jungle mammals than in the meat of some domesticated farm mammals.