During a Research Study on Views Toward Crime,a Sociologist Was

During a research study on views toward crime,a sociologist was careful to code the names of the subjects rather than use their real names in the research.This is important because:

A) researchers cannot use data in a way that allows them to be traced to a particular subject
B) researchers cannot use any personal data
C) researchers can only use personal data
D) researchers must judge data by the names of the subjects
E) none of these choices