A Researcher Asks a Group of Teenagers Who Had Previously

A researcher asks a group of teenagers who had previously been convicted of shoplifting to shoplift from a drugstore so he can observe the social dynamics of these skilled thieves. This researcher may be violating the ethical principle, which states

A) do not place subjects in legal jeopardy.
B) do not create new inequalities.
C) avoid causing psychological abuse or stress.
D) do not cause physical harm.