【单选题】

Questions 17-20 are based on the following passage. You now have 20 seconds to read Questions 17—20. Why do many adoptees find it hard to make the decision to search for their birth parents

A、They generally hold bad feelings towards their birth parents.
B、They do not want to hurt the feelings of their adoptive parents.
C、They have mixed feelings about finding their natural parents.
D、They are fully aware of the expenses involved in the search.