In the sentence "In truth, Verne was neither a scientist nor an engineer: he was simply a writer and a very prolific one. ", the word "prolific" probably means ______.

A．A stranger.
B．A scientist whose job was to discover the future and cast new technology in a darker light.
C．From the start, the father of science fiction was gravely concerned with the dangers of technology.
D．He was either a scientist or an engineer.

A．He thinks it is a comedy.
B．This 19th-century vision of the future describes life among skyscrapers of glass and steel, high-speed trains, gas- powered automobiles, calculators, fax machines and a global communications network.
C．It describes the life of an unidealistic young man who struggles to find happiness in the fiercely materialistic dystopia that Paris has become by 1920.
D．He thinks the Jules Verne has once again managed to fire the imagination of people around the world and it is a grim and troubling comment on the human costs of technological progress.