38 Based on the premise that “we are much more reluctant to walk away from an ongoing enterprise in which we have invested a lot than from one in which we have invested only a little,” which one of the following is the easiest to do?
(A)To burn the first chapter of your PhD dissertation draft after having worked on it for a few weeks
(B)To rewrite the body of your PhD dissertation draft after having spent two whole years on it
(C)To find another dissertation supervisor after having worked with your original supervisor for three years
(D)To change your dissertation topic after working on it for one year and having finished three chapters