The word "pedestrian "(in boldface in Paragraph 5) is closest in meaning to ______.

A．Flamel's wealth and his fame was exploited to promote alchemy
B．Flamel's made his fortune by deceiving all people including his wife
C．Flamel's pretended to be an alchemist and earned his living by that
D．Flamel's success in alchemy had much to do with his wealth

A．are gifted and thus categorized as such
B．claim themselves to be superior to others
C．are in small numbers compared with the rest
D．advance their careers to save humanity