Baby Kendra, Who Is Six Days Old, Is Presented with Two

Multiple Choice

Baby Kendra, who is six days old, is presented with two breast pads: one that has been used by her mother and that smells of the mother and the other that has not been used at all. Which one will Kendra probably prefer?

A) Kendra will probably not show any preference.
B) Kendra will prefer the pad that has been used by the mother.
C) Kendra will prefer the clean breast pad.
D) Whether she shows a preference depends on whether she has been fed recently or not.