题目选项分析

A proposed ordinance would impose a 10 p.m. curfew on all city residents under the age of 18 in response to increasing thefts by adolescents. However, a city councilman argued that because the majority of adolescents who steal do so during the day, the curfew would have a negligible impact on the total value of property stolen.

Which of the following, if true, would most seriously weaken the argument drawn by the councilman above?

【选项】The cost to stores of hiring more security guards would be greater than the cost incurred to replace items stolen by adolescents.