A team of engineers is working on a solution to a problem involving prosthetic limbs. The engineers have already brainstormed several possible solutions. Which of these steps should they perform next? Choose the correct answer. A) Build and test a prototype of each possible solution. B) Refine each of the solutions based on the results of testing. C) Redefine the problem to clarify the most important criteria. D) Evaluate the solutions in regard to the constraints and most important criteria