According to sociologist George Herbert Mead, during the stage of self-development, children understand not only their own social position but also other positions around them all at the same time

Game

Explanation:

According to the theory of George Herbert Mead,game stage is defined as the level in which a child tends to understand and perceive about game rules.They get the perspective of other people or generalized others and their state of mind.

They tends to play independently in the game as part of their social position along with understanding the social role and position of other person in the game for carrying out their thought and activities.

answer; (d) all of the above; 100%