I know it's from the rugged region, so I would go with D, because they had trouble through the desert, and the mountains.
Bert the Turtle-Duck and Cover
Birth defects
cancer
soil pollution
water pollution
hope this helps
1) Labna, Palace, vaulted passage
2) Copan stela A, Maudslay cast
3) Panel 3 from Cancuén
4) Yaxchilan Lintel 24
5) Stucco portrait of K'inich Janaab Paka
6) Stucco mask panels
7) Balamku
I hope this helps! :)