题目选项分析

Public-sector (government-owned) companies are often unprofitable and a drain on the taxpayer. Such enterprises should be sold to the private sector, where competition will force them either to be efficient and profitable or else to close.

Which of the following, if true, identifies a flaw in the policy proposed above?

【选项】Some unprofitable private-sector companies have become profitable after being taken over by the government to prevent their closing.