Vacation schools and extracurricular activities are mentioned in Para. 2 to illustrate

Vacationschoolsandextr acurricularactivitiesarementionedinPara.2toillustr atealternativestoformaleducationpro-vided______bypublicschools.

A)theimportanceofeducationalchanges

B)activitiesthatcompetedtoattr actnew

C)immigrantstotheirprograms

D)theincreasedimpactofpublicschoolsonstudents

正确答案：D
答案：D
[试题分析]事实判断题。
[详细解答]第二段中作者指出：Kindergartens，vacationschools，extr acurricularactivities，andvocationaleducationandcounselingextendedtheinfluenceofpublicschoolsoverthelivesofstudents．manyofwhominthelargerindustr ialcitieswerethechildrenofimmigrants．其中，extendedtheinfluenceofpublicschoolsoverthelivesofstudents的意思说明，答案D符合文章意思，应此为正确答案。