【正确答案】
C
【答案解析】[听力原文]14-15
Have you ever noticed that people who can not read or write usually have better memories than those who can? This is because those who cannot read or write have to remember things they cannot write them down in a little notebook. They have to remember dates, prices, names, songs and Stories, so their memory is the whole time being exercised. So if you want good memory, learn from those people: practice remembering.
14. What is the passage mainly about?