一．阅读下列短文，从每题所给的四个选项(A、B、C和D)中选出最佳选项
One of the sad stories in American history has something to do with slavery. For a short time between 1800 and 1865, British and American ships would go to Africa and buy Africans from people who forced young men and women to leave their villages. They were brought to coastal (沿海的）cities and put on ships which came to the states where cotton was grown. The American farmers would buy the Africans and put them to work picking cottons. The Africans had to work for these farmers all of their lives.
