求助蓝皮书上一道逻辑题！！

maggie1121

215. Crimes are mainly committed by the young, and for this reason merely increasing the number of police officers or expenditures on police services has little effect on reducing the crime rate, In fact, the only factor associated with a crime-rate drop is a decrease in the number of people in the community aged fourteen to thirty.

The findings above can best serve as part of an argument against

A. the likelihood that any law enforcement program will be effective in reducing the crime rate within a short time.
B. increasing prison terms for young people found guity of crimes
C. introducing compulsory military conscription for people aged seventeen to nineteen
D. raising the age at which students are permitted to leave school
E. a community's plan to increase the number of recreational and educational activities in which young adults can participate.

Answer: A
Please help me rule out the choice E, which I think should be the best choice. Many thanks!

30days

这题是假定原文内容是正确的，然后用文章的结论可以去反驳哪个减少犯罪率的建议。

E选项的做法教育年轻人，可以减少年轻人的犯罪行为，这正是本文作者赞同的，肯定不是against了

而A选项的做法是短期用法律来制约，原文中可推出这种做法是无效的，所以是against的