Which Behavior Best Exemplifies a Goal-Correct Partnership

Which behavior best exemplifies a goal-correct partnership?

A) An infant who knows that when mommy puts on her shoes she goes out running; so when the infant sees mommy put on her shoes, she follows her and plans to go with her
B) An infant who cries whenever mommy leaves
C) An infant who smiles broadly whenever she sees her mommy enter a room
D) An infant who, when at the store, gets excited when anyone (family or stranger) picks up a toy that she finds interesting