单选题 How were the Negroes treated in the history books?
A. They were ignored. B. They were condemned.
B. They were belittled. D. They were praised.

【正确答案】 A
【答案解析】本题的答案可在文章第2段第1句和第3段第1-2句话中找到，黑人的功绩在历史书中只字未提。