题目

It was my first day in Hangzhou, the Chinese city, famous for its natural beauty and history and I didn't have much time to spare. I wanted to see   61  much of the city as possible in the two days   62  I was to return to Guangzhou. My first task was to decide where to go and  63  to get there. I took out my guide book in which there was a lot of information about the city's well-known tourist  64   (attract) and started to read. At that moment  an  attractive  young lady  65  noticed my book came up  to  me  and  introduced    66 . She said her name was Miss B方程组 的解的情况是（ ）A. 一组解 B. 二组解 C. 无解 D. 无数组解