Answer:
Option (C).
Step-by-step explanation:
Exponential growth can be defined can be defined as the growth of organisms in a geometric or exponential manner, when there is unlimited resources in the habitat. Exponential growth represents a J-shaped graph.
As the given graph shows a sudden and rapid increase in human population and shows a J-shaped curve, it describes the exponential growth.
Thus, the correct answer is option (C).