18. If there is a decrease in the number of homeless families, then either the number of available jobs has increased or else the cost of renting or purchasing housing has decreased. If the cost of renting or purchasing housing has decreased, then the supply of housing must be greater than the demand. Assume that there is a decrease in the number of homeless families.
According to the passage, which one of the following statements. CANNOT be true?
(A) The number of jobs has been decreasing.
(B) The cost of renting or purchasing housing has been decreasing, and housing has been decreasing, and housing supply exceeds demand.
(C) The number of jobs has been increasing, and the cost of renting or purchasing housing has been stable.
(D) The number of jobs has been decreasing, the cost of renting or purchasing housing has been decreasing, and housing demand exceeds supply.
(E) The number of jobs has been increasing, the cost of renting or purchasing housing has been increasing, and housing supply exceeds demand
答案是D,我选E.
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