The sentence "Pastral is a sophisticated game...played across time" in Paragraph Three imp

The sentence "Pastral is a sophisticated game...played across time" in Paragraph Three implies that

A．nature is a popular theme to write.

B．ways of writing nature can hardly be renovated.

C．nature is as interesting as playing chess.

D．nature is a constant theme in poetry.

请帮忙给出正确答案和分析，谢谢！