Answer:
Randomly hopped on your profile. No clue what this means but I need some points so this is going to be considered a very smart answer.
Explanation:
B. It provides aid to the victims of natural disasters and wars.
HIV crossed from chimps to humans in the 1920's in what is now the Democratic Republic of Congo. This was probably as a result of chimps carrying the Simian Immunodeficiency Virus (SIV), a virus closely related to HIV, being hunted and eaten by people living in the area.
