Li Na said in ______ newspaper interview that her ankle was still not ready for her to compete. ______ 31-year-old suffered an ankle injury just over one month ago.
 
【正确答案】 A
【答案解析】 第一空指“一次报纸访问”，用不定冠词a；第二空特指31岁的李娜，用定冠词the。故本题选A。