题目选项分析

Bankruptcy is a process that depends on a variety of structural, fiscal, and human variables. These variables are different at every company. Therefore, the pattern of companies declaring bankruptcy should be random. Yet tax records from 2010 demonstrate a pattern: a large number of companies throughout the United States declared bankruptcy at the same time.

Which of the following, if true, forms the best basis for at least a partial explanation for the pattern of bankruptcy shown by the tax records?

【选项】Many companies go bankrupt because the economies of the states in which they are located force them to go into gradual but increasing debt.