Answer:
Option C, Social opinion can help pass laws regulating scientific practices.
Step-by-step explanation:
There are so many cases of scientific investigation or practices that are regulated based on social opinion.
For example , the study of embryo stem cell is not considered a ethical practice as society believes that even an unborn individual has the right to live.
Like wise Genetically modifies organisms are also not considered viable as per the social ethics.
Hence, Option C is correct.