Which of the Following Correctly Describes the City of Palmyra

Which of the following correctly describes the city of Palmyra during the Roman period?

A) It became the most important caravan city at the western end of the Silk Roads.
B) It was carved into rocky mountain cliffs.
C) It was ruled by a king who dictated trade prices.
D) It had a priestly class that focused on material comforts and ignored concerns with the afterlife.