Answer: b) one-female, multi-male
Explanation:
According to the question, as per study conducted in Africa, residents usually display pattern of having a single female along with multi-male mates.A single reproductive age women gets along with various adult males as they are polyandrous. The male helps female to care for offspring in such cases.
Other options are incorrect because multi-male and multi-male, solitary and one-male along with multi-female is not the combination exhibited by residents in study Thus, the correct option is option(b). Â