What is the main idea of this passage？A．How ancient people used cacao plants.B．Chocolate w

What is the main idea of this passage？

A．How ancient people used cacao plants.

B．Chocolate was valuable thousands of years ago.

C．Many ancient people farmed cacao plants.

D．How the cacao plant was made into chocolate.

请帮忙给出正确答案和分析，谢谢！