Kara Takes Her One-Year-Old Son, Delaney, to Visit a Day-Care

Kara takes her one-year-old son, Delaney, to visit a day-care center where she plans to enroll him. Delaney appears very anxious and is unwilling to explore the playroom, even though Kara is close by. When his mom leaves the room to fill out some forms, Delaney becomes extremely upset. When Kara returns, he clings to her leg but does not calm down and continues to sob. This is the type of interaction you might observe between a child and a parent who

A) share a secure attachment relationship.
B) share an avoidant attachment relationship.
C) have not yet developed an attachment relationship.
D) share an anxious-ambivalent attachment relationship.