Answer: C. Potassium, a mineral found in fruits, vegetables, leafy greens, legumes, and dairy products, helps reduce the rise in blood pressure caused by high-sodium foods.

答案：C。 钾，在水果，蔬菜，绿叶蔬菜，豆类和奶制品中都能找到，帮助降低由于钠摄入过量升高的血压。

youdao

The mineral can interact with some medications, and high potassium levels may adversely affect people with damaged kidneys.

CNN: Benefits by the Bunch

Jake Matijevic was found to be high in elements consistent with the mineral feldspar, such as sodium and potassium, and low in elements such as magnesium and iron.

BBC: Nasa's Curiosity rover finds 'unusual rock'