Which of the following statements is TRUE about death rates?

A. Infant mortality is not considered when calculating the death rate.

B. The crude death rate is the number of deaths per thousand people in the population, for a given year.

C. The crude death rate is the difference between the people that were born, and people that died, in a given year.

D.The crude death rate describes people that emigrated from a country, and are considered economically "dead" to that country.