Kelsey Is a Little Salesperson in Training

Kelsey is a little salesperson in training. She asks her mom if she can ride her bike down to the end of the block, and knows that if her mom says yes, she will be more likely to let Kelsey ride her bike around the block to her friends' house later. What technique is Kelsey using on her mom?

A) The door-in-the-face technique
B) The foot-in-the-door technique
C) The sleeper effect method
D) The supersales technique