Occasionally one encounters a rigid, protectionist division chief in a government agency who wishes to restrict promotions to supervisory positions in his division exclusively to employees in his division. Such a division chief may develop staunch loyalties among his employees, but critics outside his agency are likely to describe his attitude as being as provincial as an isolationist country's unwillingness to engage in any international trade whatever on the ground that it will be required to buy something from outsiders that could possibly be produced by local talent, even though not as well and not as cheaply.The paragraph best supports the statement that

Directions: For each question, a paragraph will be given that contains all the information necessary to infer the correct answer. Use only the information provided in the paragraph. Do not speculate or make assumptions that go beyond this information. Also, assume that all information given in the paragraph is true, even if it conflicts with some fact known to you. Only one correct answer can be validly inferred from the information contained in the paragraph.