复合题 知,centenarians指的是“百岁老人”,故选C。According to Paragraph 3 ,what is the recommended time for tea drinking? 
【正确答案】 D
【答案解析】由第三段最后一句中的“tea in the afternoon”可知,喝茶的建议时间是下午,故选D。What may the tea Ikarians drink daily help?