The crude death rate in a developed country is 150/100000.The crude death rate in a smaller,developing country is 75/100000.Based on these data,which one of the following statement is correct?

• A. More people die in the developed country because it has larger population
• B. Crude death rate are usually higher in developed countries because of higher proportion of older person in population
• C. Death rate in the developing country are the lower due to emigration effect
• D. The health care system of the developing country is far better than that in the developed country