One substage of Piaget’s sensorimotor period is primary circular reactions. Which of the following is the best example of a primary circular reaction?单项选择题

A

An infant moves their legs in a kicking motion and enjoys the feeling of the movement; the infant continues to kick to experience the sensation.

B

An infant pushes a button on a toy and a song begins to play; the infant continues to push buttons to enjoy the sound.

C

An infant drops a toy and it makes an interesting noise when it hits the floor. The infant then bangs the toy on a cabinet, hits the toy, and throws it to see what noise it makes

D

An infant drops a spoon off their high chair and it falls beneath the tray where the infant can't see it. She leans over and looks for the spoon, laughing when she sees it on the floor.

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