Answer: C
In the reign of Emperor Zhaozong of the Tang Dynasty, he was a Jinshi and an official secretary. He served as an official in the Later Liang, Tang, Jin, Han, and Five dynasties, and became the crown prince Taibao. He was known as "Shaoshi Yang" in the world ". In the first year of Emperor Shizong's Xiande (954) of the Later Zhou Dynasty, Yang Ningshi passed away at the age of eighty-two and was given posthumously to the Crown Prince and Tutor. Yang Ningshi has always been regarded as an important figure in the history of calligraphy from the Tang Dynasty to the Song Dynasty. The "Four Schools of Song Dynasty" were deeply influenced by him. His representative works include "Leek Flower Tie", "Pictures and Postscripts of the Ten Chronicles of Lu Hong Thatched Cottage", and "The Living Method of Immortals".