Which example uses collaboration to gain further knowledge?
A) A group of scientists working together to summarize results from prior experiments. 
B) A group of scientists meeting and sharing results to determine who gets the credit for discoveries. 
C) A group of scientists copyrighting their results to ensure other scientists do not plagiarize their work. 
D) A group of scientists getting together to share the results of their experiments with each other and find a solution to a given problem.