The correct description of the aorta is ()

A、Partofaorticarchrootgoesoutofleftandrightcoronaryarteries;
B、Theaortacontinuestoseparatethemaintrunkofbrachiocephalicartery;
C、Thefollowingsequenceoftheaortaisthoracicaorta→abdominalaorta→internaliliacarteryandexternaliliacartery→middlerecommendedartery→middlecaudalartery;
D、Alloftheabove;
E、Aorticregurgitationwithatrium