Answer:
This example demonstrates D. onomastics.
Step-by-step explanation:
Onomastics can be defined as the science or study concerning the origin, history, forms, and uses of proper names of persons or places. The whole excerpt we read in the question is an example of onomastics. Proper names are being analyzed - their origin and meaning, and even how they can influence someone's life by becoming self-fulfilling prophecies.