Katrina, four years old, is in preschool. She demonstrates a great deal of fear when introduced to new activities. She tends to stay either toward the back of the group of students or right next to the teachers. She does not react well to strangers and will hide behind other people when a stranger comes into the classroom. Katrina's school application shows that she spent the first two years of her life in three different foster care situations. She was adopted two years ago by a couple who seem to love her very much. Katrina is exhibiting pathologies from one of Erikson's eight stages of development. Which one seems to be the most likely and why? Answer in complete sentences and use your own words. (2 points)