After Greeting Her Relatives at the Airport, Joey's Mother Leaves

Multiple Choice

After greeting her relatives at the airport, Joey's mother leaves him with his grandmother and gets the luggage. Eight-month-old Joey becomes fearful of the stranger holding him and begins to cry. This distress would be an example of:

A) insecure attachment.
B) separation anxiety.
C) avoidant attachment.
D) sensorimotor thinking.