Answer: Option (A). They wrote in a script called kana that that represented Japanese sounds.
Explanation: The Japanese written language was re-codified into the kana script, making the language much easier to write. The result was an outpouring of literature, developing some of the most famous examples of Japanese poetry, including the lyrics of what would eventually become Japan's national anthem. The nobles of the Heian court help strengthen the Japanese language and develop its literature by writing in a script called kana that represented Japanese sounds. However, For centuries, Japan had largely based its elite culture on China, and adopted a great number of Chinese traditions.