Gerri's Boyfriend Wants Her to Type His Term Paper for Him

Gerri's boyfriend wants her to type his term paper for him, so he first asks her to type the cover page. After she does this, he then asks her to type the whole paper. Gerri appears to be a potential victim of

A) the door-in-the-face technique.
B) the foot-in-the-door technique.
C) self-monitoring.
D) the over-justification effect.
E) the low-ball technique.