There are two people holding on to the edge of a cliff. One is your mother, one is your grandfather. The cliff is weak under the three of you so you only have time to save one person. Who would you save? I would try to figure out who is more at risk, and I would consider the condition of both my mother and my grandfather. In the end I would either try to save both and risk the death of all three of us, or save my mother who is young and healthy.
The first interaction between Kumalo and Arthur Jarvis's son leads to B) James Jarvis realizing that Kumalo is the same man whom he met in Johannesburg.