Research Shows That Probably the Most Important Factor Contributing to the Process

Research shows that probably the most important factor contributing to the process of conversion to a "new religious movement" (i.e.a "cult") is

A) a theology that is highly rational and logically consistent.
B) a change of reference groups.
C) physical coercion.
D) mind control.
E) the economic stability of the group which causes recruits to think the group will offer financial benefits.