223.Schools across China are expected to hire 50,000 college graduates

题目

223.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.（江苏）
A.help B.to have helped C.to help D.having helped
请翻译、分析句子成分、选择依据.

答案

are expected to hire 应与下文并列 故选C to help
另,文意为将要去雇员,故下文文意应与之对照为将可以起帮助作用