A．In Latin America, Europe and Asia.
B．In Latin America and Europe.
C．In Latin America and parts of Asia.
D．In Europe and America.

A．More than a million.
B．More than eight million.
C．Less than eight million.
D．Less than a million.

A．the two speakers are the student and the professor.
B．the development of large cities in the developing countries is not balanced.
C．the large cities in the developing countries grew as rapidly as those in the developed countries.
D．it's easy to solve the problems of the large cities.