英语六级

单选题 When insulin in the bloodstream is high, fat cells will stop releasing stored fat.

参考答案:C进入在线模考
此句意为“当血液中的胰岛素水平升高时,脂肪细胞就会停止释放储存的脂肪”,与C段When insulin  is high.the fat cells are told to shut down any process of releasing stored fat into the blood for burning.意思相同。因此,正确答案是C。