It Was Difficult for Late Nineteenth-Century Europeans to Believe That

It was difficult for late nineteenth-century Europeans to believe that three Japanese businessmen invented the Rickshaw because

A) it was a mechanism so complex that devising it required a command of quantum physics.
B) it was made from steel that could only be produced using German techniques.
C) Europeans assumed that Asians were not capable of innovative thinking.
D) it was not a particularly important invention.
E) Europeans assumed Asians were better at mathematics than they were at manufacturing or construction.