I believe that (A) allowed for function, historical significance, and aesthetics to all be important.
Function: The statues also function as the pillars of the building to hold the building up
Historical significance: The statues look to me to be carved with the impression of a certain ruler, and have historical significance of what the ruler have done carved on the bottom part of his 'clothing'.
Aesthetics: As this is a masterpiece, and uses art to express the history, Aesthetics is also used.
hope this helps
Listening to the meanings of the words.
listening to the feelings behind all the parts.
B. The pharaoh's crossed arms hold a crook and flail is right, and C. The middle coffin is decorated with colored glass are right.
