Which is NOT true about Fu, Bi and Xing?

A、 “Fu” means description and with it the poets directly express emotional thoughts and feelings in a straightforward narrative.
B、“Bi” means explicit comparison and uses obvious daily expressions to convey nonfigurative phrases and make them clearly understandable.
C、“Xing” is implied comparison and is commonly used at the beginning of a poem to trigger what follows.
D、These three major styles are not often interactively employed and applied to create the artistic images in poetry.