Once Infants Understand How Social Agents and Inanimate Objects Move

Once infants understand how social agents and inanimate objects move, they have an expectation that:

A) inanimate objects can move on their own
B) social agents must be acted upon to move
C) inanimate objects can move on their own; social agents must be acted upon
D) social agents can move on their own; inanimate objects must be acted upon