Which value do dilemma do sociologists face?

The most important dilemmas sociologists face are:
-Is the research objective?Objective research is when the research is not intentionally distorted by the researchers' values. Replication helps to overcome this dilemma.
- What is the goal of the research? Does the research analyzes human behavior? 

Answer any resource, such as wood or solar energy, that can or will be replenished naturally in the course of time;

Iwould choose c or d