According to the given question, the Diego exploring and also examining the toys in the room with caregiver and it is classified in the form of securely attached as the secure attachment is one of the type of attachment style which is typically characterized in the form of positive response.
The Diego is basically using the caregiver in the form of secure base or form as they shows some distress when the caregiver leaves them alone.
Therefore, Securely attached is the correct answer.
Mercosur is a shorter form of "Mercado Comun del Sur" - Common Market in the South, which is a trading bloc (area with free trade and no tariffs or restrictions) in South America.
The correct answer is: <span>an arrangement to increase economic cooperation</span>
