What is an important feature of China's population control program that could be transferred to other countries? 

A)  focusing control efforts primarily on males 
B)  requiring parents to be sterilized after having two children 
C)  requiring couples to postpone marriage until they are near the end of their reproductive stage 
D)  paying close attention to population growth and its many implications for the future

Population Control

Strategies or policies aimed at regulating the growth rate of a population to ensure sustainability and prevent overpopulation.

Sterilized

Made free from all living microorganisms, often through the application of heat, radiation, or chemical agents.

Reproductive Stage

The phase in an organism's life cycle in which it can produce offspring, involving processes such as mating, fertilization, and gestation.