单选题   As the temperature dropped abruptly, the campers were ______ all over with cold.
 
【正确答案】 B
【答案解析】shiver“发抖”；spin“编造，虚构(故事等)”；shake“摇动，震动，抖动”；stagger“摇摇晃晃，蹒跚而行”。