英语翻译

问题描述:

英语翻译
Schools across China are expected to hire 50,000 college graduates this year as short-term teachers,almost three times the number hired last year,( )reduce unemployment pressures.
A;help
B;to have helped
C;to help
D;having helped

选c"almost 3 times the number hired last year"是 插入语,可以剔除来看句子.主语schools,谓语are expected to hire 宾语是5万students,选择的是作为目的状语又因为是"are expected"打算的,所以用to do,将来时...