完形填空，选择合适的一项补全短文。

Gu Ailing was born（出生）in the US, where she learned how to 1. Her father is American and her mother is 2. She always came back to China with her mother during her holidays. She 3 Chinese nationality（国籍） when she4     fifteen years old. Now she is a talented freestyle skier（自由滑雪选手） and the 5. female Olympic gold medalist（奥运会女子金牌得主）in freestyle skiing（自由滑雪）in Chinese history. She is also a model and top 6. What a 7 girl! To my surprise（令我惊讶的是），she sleeps ten hours a day. "That makes me 8 ,"said Gu Ailing. And she 9 every day. She hopes to use 10 as "a bridge"between China and the US.