单项选择题
A．nobody was so able as to solve these problems B．many people were too selfish to think about others C．he was not in the position to solve such problems D．he already had more than enough work to do
A．Women are born to be beauties. B．Women like to show off their beauties C．Women are proud of their beauty D．Women try to maintain their beauty by dressing up
A．America is a highly developed country B．Americans are impatient and unfriendly people C．the fast pace in American life often causes much trouble D．American city people seem to be always in a rush