In Dunfield and Kuhlmeier's Study (2010)21-Month-Old Infants Were Either Handed

In Dunfield and Kuhlmeier's study (2010) 21-month-old infants were either handed an attractive toy or prevented from acquiring it either by a willing but unable confederate (the toy 'accidentally' fell off the table) or by an unwilling confederate.According to the authors,the most startling finding was that 21-month-olds would ________ when they could later choose whether to give the toy to one of the confederates.

A) take account of the number of smiles of each confederate
B) be generous enough to give away an attractive toy
C) pick up on the intentions of the confederates
D) only be generous if they had been given the toy earlier
E) be completely ungenerous to even to the well-intentioned confederate