Please Help Me!

If the population growth of less developed countries continues at its current rate, the population of these nations is expected to double in 40 years. What will be the mostly likely consequence of this rapid population growth?

A. The population will be rapidly aging, and these nations will require more healthcare facilities and trained healthcare workers.

B. Large numbers of people will be expected to emigrate from these countries, and nearby nations will bear the burden of the migrating population.

C. These countries will find a way to keep up with the demand for more schools, employment opportunities, and agricultural and industrial output.

D. Standards of living will fall because the country cannot raise per capita GDP faster than the population rate is growing.