By the time I got home, Gina and her sister ______ their project already.

A．finished

B．have finished

C．had finished

D．will finish

新投犯入监教育中要把安全生产知识的培训列入重要内容，并实行（）安全教育制度。

A.三级

B.全面

C.针对

D.上岗