Final answer:
Austria-Hungary was part of the Central Powers in World War I, along with Germany, the Ottoman Empire, and Bulgaria.
Step-by-step explanation:
The correct answer is A. Austria-Hungary. Austria-Hungary was one of the central powers in World War I, along with Germany, the Ottoman Empire, and Bulgaria. The central powers were opposed by the allies, which included France, Britain, and Russia.
Learn more about Central Powers in World War I