Final answer:
The 19th-century French science-fiction writer who predicted that men would fly to the moon is Jules Verne.
Step-by-step explanation:
The correct answer is A) Jules Verne.
Jules Verne, a 19th-century French science-fiction writer, predicted in his novel 'From the Earth to the Moon' that men would fly to the moon using a giant cannon. The novel was published in 1865, nearly a century before the first manned moon landing in 1969. It is considered one of Verne's most famous works and showcases his imaginative and visionary storytelling.