In the 1960s,even Though Most His Friends Tried Recreational Drugs,Sebastian

In the 1960s,even though most his friends tried recreational drugs,Sebastian refused to experiment with drugs.He did not think the drugs were likely to be harmful,but using the drugs was illegal,and he believes each person has a moral obligation to obey society's rules.Sebastian's reasons for NOT experimenting with drugs reflect

A) preconventional moral reasoning.
B) conventional moral reasoning.
C) postconventional moral reasoning.
D) social moral reasoning.