Refer to Figure 53.4 and then answer the following questions.

Figure 53.4: Infant mortality and life expectancy at birth in developed and developing countries (data as of 2005).
-In terms of demographics, which country is likely to experience the greatest population growth problem over the next ten years?

A) Mexico, because there are fewer pre-reproductive individuals in their population
B) China, whose population is more than a billion, but whose expected fertility rate is 1.8 children
C) Germany, where the growth rate of the population is 0.1% per year
D) United States (2009 population ~ 205,000,000, where 200,000 Americans are added to the population each day)
E) Afghanistan, with a 3.85 annual growth rate