Western Digital has slowly massaged its desktop hard drives into three categories: high-performance Black drives, mainstream Blue models, and energy-efficient Greens.
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。
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The greens of the plant are packed with antioxidants and minerals containing a high level of potassium.