The passage mainly deals with how foreign teachers should try to get more paid when they intend to work for a school.

A．Another 3 million of them live in poverty.
B．The number of them increased by about 20 percent in just three years.
C．The number of them increased by about 3 percent in the 1980s.
D．They were not affected at all.

A．60 percent of American children are now born illegitimately
B．at least 50 percent of black children are now born illegitimately in America
C．60 percent of American children were born illegitimately in the 1960s
D．at least 60 percent of American children were born illegitimately in the 1960s