THAT moment , the one that s caused me so much stress and anxiety and happiness . I ' m always telling myself that I ' m over it or that I ' ve moved on and then moments later I find myself rethinking about it again , about this person , about how we could have been happy . Nope . I bought this book at Borders today , Evolution 's Rainbow .
According to the above context, choose the best option to answer the following question.
Question: What may be the reason they are having such a hard time letting go ?
Options:
A. They thought they would be happy with them always .
B. None of the above choices .
C. They are looking for external sources for internal happiness .
D. They thought that they would make them happy but they did n't .


A