题目内容：
回答题Ronald Musoke is a college student from Uganda．He attends the College of Marin in California．Recently he got very excited about things he found in wastebaskets．What did he find? He found outdated textbooks that had been thrown away．Some of the books had sold new for one hundred dollars．The old textbooks had been either discontinued or replaced by newer editions．Uganda is a very poor country in Africa．When Musoke went to school in Uganda, there were never enough books．Sometimes five books were shared with one hundred fifty students．Musoke lived through the Ugandan civil war and the loss of twelve family members from AIDS．Why is Musoke excited about the discarded textbooks．'? He wants to send them to Uganda so women have the chance to get an education．The books will be used to pay for the women's education．Musoke hopes that education will help lower the number of deaths from AIDS．Also, the books will help lower illiteracy in Uganda．Other students are helping Musoke gather textbooks．Students are giving him books and over four thousand books have been collected．A business sponsor is helping to pay the postage for the books．Musoke and his classmates sort and pack the books．Ugandans will be educated with the help of donated books．The College of Marin students have become connected with an African nation far away．These classmates from a wealthy county, for example, Tanya Sehwedler and her classmates, have gained greater understanding of people who struggle to live in a very poor country．
Books were precious in Uganda because the schools________ A．didn't use them in grade school
B．no one knew how to read
C．couldn't afford enough books
D．were closed by the civil war
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