Answer: C.Ikemefuna knows a lot of things that he does not know.
Ikemefuna is a boy from a different clan who is given up to Umuofia as a sacrifice. The boy becomes very special to Okonkwo's family, in particular to Nwoye. Nwoye loves spending time with him, and considers him his role model. However, after three years of living with the family, Ikemefuna is killed. Okonkwo takes part in the murder, and this proves to be a decision that haunts him for the rest of his life.
