The Difference Between Role Strain and Role Conflict Is

The difference between role strain and role conflict is

A) There is no difference; they are different terms for the same concept
B) Role strain applies to contradictory demands in the same role; role conflict refers to different roles with contradictory expectations
C) Role strain applies to different roles with contradictory expectations; role conflict refers to contradictory demands in the same role
D) Role strain is much stronger, and role conflict is almost always weaker