问题补充：
--- Have the students in Yushu returned to school yet？
---It is reported on TV that .
A. the weather is becoming betterB. most of the factories were destroyed
C people have given lots of money to themD all the schools have started lessons again
答案：
解析：句意理解。the weather is becoming better 天气变得更好了； most of the factories were destroyed大部分工厂被毁了；people have given lots of money to them人们给了他们许多钱；all the schools have started lessons again许多学校又重新开学了。句意；玉树的学生返回学校了吗？——据报道……，可知选D最符合语境。
