Instead of happily exploring the attractive toys located in the pediatrician's waiting room, little sandra tenaciously clings to her mother's skirt. sandra most clearly shows signs of:

a. imprinting.

b. egocentrism.

c. insecure attachment.

d. secure attachment.

e. assimilation.

(its either insecure or secure attachment i'm just not sure which one)

I believe the answer is D. secure attachment. 

It would be easy if you knew the difference between secure and insecure attachment: according to research, a child with insecure attachment will avoid or ignore the caregiver and a child with secure attachment feel protected by their caregiver. 

If Sandra clings onto her mother's skirt, it shows that she feels like her mother will protect her from strangers. 

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