单选题
Books were precious in Uganda because the schools ______.
A、
didn't use them in grade school
B、
no one knew how to read
C、
never had enough books
D、
were closed by the civil war
【正确答案】
C
【答案解析】
第二段。乌干达是一个非常穷的国家。150个学生共用一本书。
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