Which of the Following Males Is Most Likely to Protect

Multiple Choice

Which of the following males is most likely to protect an infant?

A) A male Hanuman langur who has just taken over a new troop
B) A male gibbon with a long-term pairbond with the infant's mother
C) A transient male orangutan passing through a female's core area
D) A male chimpanzee that encounters a female who has just immigrated
Into his community with her infant