Thunderstorms have struck northern China, heavy rain and traffic chaos.
A. brought, caused
B. bringing, causing
C. having brought, having caused
D. to bring, to cause
网友回答
A. brought, caused
(答案→)B. bringing, causing
C. having brought, having caused
D. to bring, to cause
解析：考查非谓语动词。句意：暴雨袭击了中国北方，带来了大雨引起了交通混乱。现在分词做状语表示主语正在进行的伴随性动作，和句子主语是逻辑上的主谓关系。如果分词动作发生在谓语动作之前，需用完成时态的现在分词。结合语境分词动作发生在主语“完成”这个动作之后，故选B。