Answer:
The correct answer is structural functionalistic theoretical perspective.
Step-by-step explanation:
The structural functionlistic theoretical perspective sees society as system formed by different parts that work together with the goal of promoting stability to the individuals who conform it.
According to this theory each individual plays a role in any given society and any social phenomena that may ocurr, either positive or negative is a response to the interaction between the individuals and the organs of said social structure.
In this particular case, a sociologist that believes that people who become addicted to drugs and alcohol may be responding to strains in the social system and their own lives, the theoretical perspective that they represent is the Structural functionalistic theoretical perspective.