The thief spoke in a _____ voice and the little boy was very ____．A.frightening; frightenedB.frightened; frighteningC.frightening; frighteningD.frightened; frightened
参考答案：
A解析考查形容词：frightening令人害怕的，frightened感到害怕的，句意是：小偷用令人害怕的声音说话，小男孩很害怕。选A。
