Which of the Following Is an Example of the "Curse

Which of the following is an example of the "curse of knowledge"?

A) A writer with a large vocabulary writes a novel using many words that the average reader cannot understand.
B) A plumber brings every tool he owns to a job, just to make sure he has everything he could possibly need to do the job in one visit.
C) An experienced programmer points out a sequence of code that is likely to cause problems when the program is running.
D) A developer of iPhone apps develops several apps that nobody wants.
E) An experienced physician leaves private practice and becomes an X-ray technician.