____forthebreakdownoftheschoolcomputernetwork,AlicewasinlowspiritsAblamingBblamedCtoblamedtobeblamed怎么会选B呢,blame不能用被动的啊,不是应该是C吧?

　　____forthebreakdownoftheschoolcomputernetwork,Alicewasinlowspirits

　　Ablaming

　　Bblamed

　　Ctoblame

　　dtobeblamed怎么会选B呢,blame不能用被动的啊,不是应该是C吧?