Answer: do you need help on this .
Explanation:
I think it is (a) because most of the time they are telling a lesson
Low relief isn’t as intense as high relief and so creates a calmer aura, one that isn’t panicked nor angry in a way.
in terms of sculpture, low reliefs- many reliefs made but only slight, more so smoothing deviations
high reliefs- many reliefs made but drastic changes to what you began with