阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
Irina，now 46，never imagined she’d one day make a living as a balloon artist.The daughter of an engineer and a teacher，she won top academic awards in high school，went on to medical school and became an emergency room physician in a small city.
