By the end of the eighteenth century, the publishers of children’s looks in the United Sta

By the end of the eighteenth century, the publishers of children’s looks in the United States were most concerned about which of the following？

A．Attracting children with entertaining stories that provided lessons of correct behavior

B．Publishing literature consisting of exciting stories that would appeal to both children and adults

C．Expanding markets for books in both Britain and the United States

D．Reprinting fictional books from earlier in the century

请帮忙给出正确答案和分析，谢谢！