What is a distinctive feature of the 'niche' style stelae erected by Kʼinich Yoʼnal Ahk I?

A. The ajaw is shown surrounded by a group of people
B. The ajaw is depicted with no platform or throne
C. The ajaw is depicted standing on a plain platform
D. The ajaw is seated in a small hollow, on an intricately decorated elevated platform
Answer: 