Japan borrowed cultural elements from its neighbors, but during the Heian period a national culture developed. An example of this was

A.
architecture, such as the capital buildings at Nara.
B.
important works of literature, such as The Tale of Genji.
C.
political customs, such as the title, "Heavenly Emperor."
D.
crafts, such as ceramic pottery, for use in Shinto ceremonies.

The correct answer is B. important works of literature, such as The Tale of Genji.