Question

【题目】It rained heavily in the south， serious flooding in several provinces.

A. caused B. having caused C. causing D. to cause

Answer 1

【答案】C

【解析】空格后serious flooding是rained heavily的后果，而且句子主语it和cause之间存在主动关系，所以此处要用动词的ing形式作结果状语.句意：南方下了大雨，在几个省区造成严重洪灾。