When Members of a Cult Are Trying to Enlist a New

When members of a cult are trying to enlist a new recruit,they start by asking the recruit to make a small commitment,such as attending a short meeting or helping out at a social function.Then the commitments get more involved,such as staying for a longer period of time and eventually contributing major donations of money and moving in with the cult members.This is most like which of the following techniques?

A) foot-in-the-door technique
B) door-in-the-face technique
C) lowball technique
D) that's-not-all technique