In Avoidant Attachment, as Measured in the "Strange Situation

In avoidant attachment, as measured in the "strange situation":

A) infants cry when their mothers leave the room and seek them out for comfort when they return.
B) infants appear anxious in their mother's presence and are more relaxed and playful when their mothers leave the room.
C) infants may or may not cry when their mothers leave the room, and do not seek them out for comfort when they return.
D) infants become upset when their mothers leave the room, but alternately seek and pull away from them when they return.