Answer:
A
Step-by-step explanation:
The answer is A. the bridge. The development of bridges was not exclusive to Greco-Roman architecture but rather a common feature in many ancient and medieval cultures.
B. The aqueduct was a signature development of Greco-Roman architecture as it allowed for the transportation of water over long distances and supported the growth of cities and public baths.
C. The column was also a significant development of Greco-Roman architecture, particularly the use of the Doric, Ionic, and Corinthian orders, which were widely used in temples, public buildings, and other structures.
D. The bas-relief was also a common feature of Greco-Roman architecture, particularly in decorative friezes and sculptures that depicted mythological scenes, historical events, and portraits of notable individuals.
Overall, Greco-Roman architecture was characterized by a combination of various architectural elements, such as columns, arches, vaults, and domes, as well as an emphasis on proportion, harmony, and symmetry.