Final answer:
The correct order of the buildings from earliest to latest is the Pantheon, Rome; Palace of Diocletian, Split; Arch of Constantine, Rome; Hagia Sophia, Istanbul.
The correct option is B.
Step-by-step explanation:
To order the listed buildings from earliest to latest, one must know their historical construction dates:
Pantheon, Rome - Completed in 125 CE
Palace of Diocletian, Split - Between 295 and 305 CE
Arch of Constantine, Rome - Erected in 315 CE
Hagia Sophia, Istanbul - Construction of the current structure began in 532 CE and opened in 537 CE
Thus, the correct order from earliest to latest is:
B) Pantheon, Rome; Palace of Diocletian, Split; Arch of Constantine, Rome; Hagia Sophia, Istanbul