Answer:
d. Buddha's life story is explained.
Step-by-step explanation:
In the Amaravati school of thought, "Buddha's life story is explained".
The Amaravati school takes a pre-eminent position in Indian Art. It had the majestic monument of Buddhists. The art began in the 3rd century. Amaravati art usually tell and explain the Buddha's life story. The iconic representation are of images of Buddha seated and standing.