Answer:
b. Dr. Black, who allows only certain individuals to mate
Step-by-step explanation:
Eugenics is a form of beliefs which stated that human lives in general can be improved if we only allowed a select view of individuals with certain characteristics to reproduce. This viewed was considered to be extremely controversial since it can be used to justify the elimination of a certain race.
From the options above. Dr. Black, who allows only certain individuals to mate is the closest one to Eugenics. Other options do not specifically limits the type of individuals who can have children.