乙型脑炎的预防措施包括（）

A、预蚊和灭蚊

B、婴幼儿接种疫苗

C、幼猪接种疫苗

D、灭蜱及防蜱叮咬

E、灭鼠

The company where I work is not as good as before, so the manager has decided to fire some

employees to ________ the expenses of his company.[      ]

A. cut off  

B. cut away

C. cut up  

D. cut down