Answer:
B. secure attachment
Step-by-step explanation:
Secure attachment refers to the case when a child initially feels momentary distress when their primary caregiver leaves them but later compose themselves knowing that they will return.
The distress is not hidden by the children but can be seen. When the caregiver's return they are happy to see them.
The type of attachment children have with their caregiver's determines the type of relations the person will have throughout their entire life.