The snow lasted a week a serious traffic confusion in the whole area.A. causing B. causeC

问题补充：

The snow lasted a week, a serious traffic confusion in the whole area.

A. causing

B. cause

C. to cause

D. caused

答案：

A. causing

B. cause

C. to cause

D. caused

解析：考查非谓语动词。题意 这场雪持续了一周，导致整个地区严重的交通瘫痪。 Causing做结果状语，用来阐明所产生的结果。相当于which caused 。故选A项。

考点考查非谓语动词