【正确答案】 A

【答案解析】
[听力原文]Questions<17>-<20>
After teaching three years in Shanghai, I asked to go to a remote area. I finally made it. I have always thought that experts should be sent not only to big towns where there is a lot of opportunity to talk to English speakers, but also to remote areas. My experiences in Nanping, Fu jian, strengthened my opinions.
I recently spent a month in Nanping, teaching English to teachers of English from North Fu jian. It was an experience I shall never forget. There were about 50 teachers, their ages ranging from 19 to 65. There was also a wide range of levels. Most of them had never met a native English speaker before, and few had been on courses taught by an English-speaking expert. I was very impressed with the way in which they worked together. The more advanced students patiently helped the less advanced. They spent considerable time -- some till late into the night going over the material they had learnt.
The students were full of enthusiasm and made the most of the month's course. I learnt a lot more about China. It was a very worthwhile experience, and I hope to have the opportunity to do so again. It was a perfect example of what can be achieved with good cooperation.