When Placed in the Strange Situation, Eric Shows No Distress

When placed in the strange situation, Eric shows no distress at all when his mother leaves the room, and by the same token, he is not very excited when she returns. Overall, he doesn't appear to be very attached to his mother, but he doesn't resist when she picks him up to give him a kiss. Eric would most likely be classified as

A) securely attached.
B) anxious-resistant.
C) resistant-avoidant.
D) anxious-avoidant.
E) cannot classify.