Zhang refers to Zhang Xu, a calligrapher of the Tang Dynasty, who is always called Huai Su, a calligrapher of the Tang Dynasty.
"Self-Narrative Post" is the masterpiece of Huai Su's cursive script, which is lively and full of pen power; Mid-Autumn Festival Sticker was written by Wang Xianzhi, and Cold Food Sticker, also known as Huangzhou Cold Food Poetry Sticker or Huangzhou Cold Food Sticker, is a collection of poems written by Su Shi. Yan Zitie was written by Zhang Xu in Tang Dynasty, so the answer is B.
I hope I can help you.