"Jeremy,can You Possibly Give Me a Ride to the Airport

"Jeremy,can you possibly give me a ride to the airport this Sunday," your friend Ben asks.Not thinking that this is a big deal,you agree to do this favor for Ben."Oh,that's great! Thanks so much.And by the way,I forgot that the plane leaves at 8:30 am so I'll have to be be at the airport by 6:30 am.Pick me up at 6:00.See you then," Ben adds.You are still likely to do the favor for Ben because you have just been a victim of the _____________ technique.

A) lowball
B) norm of reciprocity
C) door-in-the-face
D) obedience