According to Piaget's preoperational stage, a child does not yet perform, operations which are defined as reversible mental actions. The correct option is c.
The ability to cognitively represent things that are not immediately visible, as per Piagetian theory. For instance, a child can still imagine and experience something even after the object has been taken away and is no longer visible to them.
Early in the preoperative phase, the development of symbolic function is seen in delayed imitation, language, symbolic play, and mental imagery. Sometimes referred to as semiotic action.
Therefore, the correct option is c. operations.
To learn more about Piaget's preoperational stage, refer to the below link:
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