题目

完形填空Growing Up I fell in love with driving before I could ride a bike. For my second birthday I 1 my first car. It was the most 2car with leaves as fuel and my feet as its engine. I would try to 3 my elder sister or parents to push me and was always waiting for that day 4 I could drive for real. My sixteenth 5 finally arrived. After all the 6 , I got my permit(驾驶证).7 at it, I couldn't wait to drive. After tons of begging, my dad 8 me to an empty parking area. I sat in the driver's seat, 9and scared. I put one foot on the gas pedal(脚踏板)and 10 on the brake(刹车). Never use已知方程组：的解是：，则方程组： 的解是（　　）A. B. C. D.