单选题 We can take control aggressively of the way we age and delay body deterioration that causes activities to be severely limited.

【正确答案】 C

【答案解析】regeneration：重生，复活；depression：经济萧条；degeneratin：退化，变质；repression：抑制，压抑。题中deterioration意为“退化；衰败”，可知C项最符合题目要求。