and guilty,Maggie put the book back on the shelf she had secretly placed in her

_____ and guilty,Maggie put the book back on the shelf she had secretly placed in her  

     schoolbag.?

     A.Frightened        B.Frightening?

     C.Being frightened      D.To be frightening?

试题答案

A?

解析:

  考查非谓语动词。形容词作状语，表示谓语动作发生时，主语所处的状态，Maggie感到恐 惧，所以用frightened。frightening表示“令人 恐惧的”。