The correct answer is: A. William Caxton.
William Caxton was an English merchant, diplomat, writer, and printer. He is noted for being the first person to introduce the printing press to England, in 1476. He printed over 100 books, including many of the first English translations of classical works.
James Watt was a Scottish inventor and mechanical engineer. He is best known for his invention of the steam engine, which revolutionized the Industrial Revolution.
James Arkwright was an English inventor and industrialist. He is best known for his invention of the spinning frame, which revolutionized the textile industry.
Isaac Newton was an English physicist and mathematician. He is best known for his discovery of the laws of motion and universal gravitation.
While all of these men were important figures in history, only William Caxton was involved in the first attempt at printing in England.