问题详情

Why does the professor mention the Western-Heritage Model used in her high school？

A．To explain why she prefers using the model

B．To emphasize that the model was widely used in the past

C．To correct an error in a student"s description of the model

D．To compare high school history courses to college history courses

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！