Japan started to catch up with western technology from ______.

A．surprises the world
B．suffers from serious air and water pollution
C．leads in exporting goods
D．leads in technology in the world today

A．Japan may have got ahead of western technology.
B．Robots relieve factory workers of boring jobs.
C．The technological" head start “western nations is not helping them succeed today.
D．Factory workers are unhappy to be replaced by robots.