During the "Strange Situation", an Infant Who Is securely Attached

During the "Strange Situation", an infant who is securely attached

A) will explore strange environments while alone with the mother
B) is very outgoing with strangers when the mother is absent
C) is visibly upset by separations and welcomes contact with the mother when she returns
D) will explore strange environments while alone with the mother and is very outgoing with strangers when the mother is absent
E) will explore strange environments while alone with the mother and is visibly upset by separations and welcomes contact with the mother when she returns