51. 选B。根据短文第一段中Jane White and I became friends at school, and her family welcomed me like a long-lost cousin.可以确定此题的答案。
52. 选D。根据全文内容，尤其In my family, it was always important to place blame when anything bad happened.一句可以确定此题的答案。
53. 选A。根据短文Whether she was nervous or just didn’t see the sign no one would ever know, but Amy continued into the crossroads without stopping. The driver of a large truck, unable to stop in time, ran into our car. 可以确定此题的答案。
