Which of the following lists of Persian empires is correct chronologically?
a. Achaemenids, Sasanids, Seleucids, Parthians
b. Parthians, Achaemenids, Seleucids, Sasanids
c. Sasanids, Parthians, Seleucids, Achaemenids
d. Achaemenids, Seleucids, Parthians, Sasanids
