The attitude of the author toward Africa's future is

A．how the U.N. scientists can help the Africans away from AIDS
B．the three problems that will occur in Africa in the next 20 years
C．how AIDS will impact Africa without effective policies against it
D．the achievements made by the U.N. scientists on AIDS in Africa

A．three scenes that will appear in the continent of Africa
B．the migerable fate of Africa in three different aspects
C．three different kinds of fates Africa could have
D．three different societies of people in Africa