I think it’s c introduction thesis
Avoidance during conflict is extremely unhealthy for sustaining positive relationships, as leaving a problem to boil and sit over is extremely unhealthy and only causes more anger.
I would say the correct answer is B. primitive man.
The point of the entire novel is that Buck is fighting his urges to go to the wilderness and succumb to his wild identity of a wolf. Thus, dreaming about the primitive man clearly portrays his struggle between his two identities, that of a domesticated dog and that of a wild wolf.
They would be put into room to be sorted between “healthy and able to work” and “undesirable for work”. Those who were healthy and able, would be taken to another room to possibly shower and get their uniforms. Those who were undesired would be taken to gas chambers or would get shot.