c is correct answer please give me explaintion why other options are wrong

Which of the following is the MOST appropriate way of identifying outsourcing opportunities in overseas countries? a) Develop a plan that focuses on low-cost countries, select a low-cost supplier, and develop the capabilities needed to promote the success of that supplier b) Select countries based on desired markets, and work with the local government to find suppliers that can produce the needed products c) Develop criteria encompassing the product requirements, weigh the criteria for importance, and evaluate each country against the criteria d) Evaluate the geographic concerns and political considerations, and locate the country that most closely represents the ideal solution with regard to these considerations