The correct IUPAC name for the complex $$[\text{Au(en)}_2(\text{H}_2\text{O})_2][\text{Au(ox)}_3]$$, where en is ethylenediamine and ox is oxalate, is

A

Bisaquobisethylenediaminegold (III) trioxalatoaurate (III)

B

Diaquobisethylenediamineaurate (III) trisoxalatogold (III)

C

Bisaquodiethylenediamineaurate (III) trisoxalatogold (III)

D

Diaquobisethylenediaminegold (III) trioxalatoaurate (III)