Which of the following is the MAIN difference between an open-ended and a close-ended problem statement?
A. An open-ended problem statement leads to multiple solutions, while a close-ended one has limited solutions.
B. An open-ended problem statement has a low success rate, while a close-ended problem statement has a high success rate.
C. In open-ended problem statements, well defined resources cannot be allocated to the project, while a close-ended one allows for defined resources.
D. An open-ended problem statement expands the scope of the project, while a close-ended one keeps the project in scope.
