The answer is B. I hope that helped
I am unsure what you would like to find in this answer, but I will try my best.
Question 2:
2) Susana es la chica m<span>ás alta.
I hope this helped - Maria S.</span>
B) esta. esta typically refers to describing something like location whereas es describes the person's attributes. (ie, esta would be used with "she is in the store" and es would be used with "she is cute"
Answer:
A.) Las botas me cuesta mucho dinero.