The correct answer is D. Hansom.
A hansom cab is a two-wheeled, one-horse carriage with an enclosed passenger compartment for two people and a raised driver’s seat above the rear axle. It was invented in 1834 by Joseph Hansom and became the most popular type of cab in London and other major cities in the 19th century.
A carriage is a wheeled vehicle, typically with four wheels, drawn by horses. Carriages were used for transportation, pleasure, and racing. They were often decorated with elaborate carvings and paintings.
A wagon is a heavy four-wheeled vehicle, typically drawn by horses, used for transporting goods. Wagons were used for a variety of purposes, including farming, mining, and transportation.
A locomotive is a self-propelled railway vehicle that provides the motive power for a train. Locomotives were invented in the early 19th century and revolutionized transportation.