[单选,材料题] What can he inferred about completely normally fed mice mentioned in the passage?
根据以下资料，回答下面的题目。
According to the passage，which of the following is NOT true?
- A They will not experience free radical production．
- B They will experience more genetic rejuvenation in their lifetime．
- C They have more old liver genes to behave like young genes．
- D They are more likely to suffer from inflammation．