Outsiders in any field often believe that they can bring in fresh, useful solutions that have been overlooked by insiders. But in fact, attempts at creativity that are not grounded in relevant experience are futile. Problems can be solved only by people who really understand them, and no one gains such understanding without experience. Which one of the following is most strongly supported by the information above?
A: Those people who are experienced in a field rarely overlook creative solutions.
B: The experience required for effective problem-solving in a field does not vary depending on the field's complexity.
C: The more experience a person has in a field, the more creatively that person can solve problems in the field.
D: Creative solutions in a field always come from people with experience in that field.
Choose A, B, C or D as your solution.
D