Gateway to the Acropolis. Has the Doric order. A. Acropolis, Athens, 421-407 BCE B. Palace of Knossos – 1900 BCE C. The Propylaia Acropolis, 437-432 BCE D. The Temple of Athena Nike Acropolis, 427-424 BCE AnswerC. The Propylaia Acropolis, 437-432 BCE