Marta's Co-Worker Has Asked Marta If She Would Consider Working

Multiple Choice

Marta's co-worker has asked Marta if she would consider working all three of her shifts this weekend. Marta refuses and her co-worker then says, "Couldn't you help me out by at least working one of the shifts this weekend?" Marta agrees to this request. The co-worker has used the:

A) high-ball-strategy.
B) carrot-strategy.
C) foot-in-the-door-strategy.
D) door-in-the-face-strategy.