Final answer:
The correct answer is C. Pride and Embarrassment, as these self-conscious emotions typically develop during middle childhood and are crucial for guiding social interaction.
Step-by-step explanation:
Self-conscious emotions such as pride and embarrassment typically develop during middle childhood, providing guidance for social interaction. Therefore, the correct answer to the question is C. Pride and Embarrassment. These emotions are intricate and relate to our perception of self and the awareness of others' perceptions. At this stage, children become more tuned to the social nuances and expectations, which makes managing self-conscious emotions crucial for social development. This period is marked by significant emotional growth as children become increasingly aware of how their actions are viewed by peers and adjust their behavior accordingly.