单选题 Guests were scared when the bomb exploded.
  • A. frightened
  • B. killed
  • C. endangered
  • D. rescued


【正确答案】 A
【答案解析】scared和frightened都可以表示“受到惊吓的、恐惧的”；killed：被杀死的；endanger：使置于险境、使濒于灭亡的；rescued：被营救的。