问题详情

Why does the author say that the knowledge of the shapes and habits of wild animals was important to our ancestors？
A．Because they loved animals so much.
B．Because animals were the frequent subject of their paintings.
C．Because they needed them to form. a religion.
D．Because they wanted to live in safety, preventing themselves from being hurt by animals.此题为多项选择题。请帮忙给出正确答案和分析，谢谢！