According to Research,how Will Training a Person to Be Better

According to research,how will training a person to be better at a certain task affect that person's ability to accurately evaluate their own performance on that task?

A) Training at a task will have no effect on the accuracy of people's evaluations.
B) People who are trained at performing a task will evaluate their performance more accurately than if they had not received the training.
C) People who are trained at performing a task will rate their performance as worse than that of performers who received no training.
D) Training will lead people to evaluate their performance more positively if performance is determined by social comparison,rather than objective standards.