Competitive type of behavior with your own friends emerges during the age of preschool. Thus, the correct option is C.
What is Behavior?
Behavior may be defined as the way by which an individual responds in reference to external or internal stimulus.
Babies lack the behavior of object permanence, so, they don't have any understanding of competitive behavior.
Preschool age ranges from 2.5 to 4 years. It is the time when a child develops the behavior of competitiveness with their friends, relatives, family members, etc.
Therefore, the correct option is C.
To learn more about Preschool, refer to the link:
https://brainly.com/question/6963327
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