Which of the following statements about the effects of migration to countries in different stages of demographic transition is true? A. Migration out of a stage 1 or 2 country is higher than migration to it. B. Migration out of a stage 3 or 4 country is higher than migration to it. C. Migration into a stage 1 or 2 country is higher than migration out of it. D. Migration rates are exactly the same for all nations regardless of their stage of transition. Please select the best answer from the choices provided. A B C D