Taiyuan a city in North China was struck by a heavy snowfall last week serious traffic pro

问题补充：

Taiyuan，a city in North China，was struck by a heavy snowfall last week，serious traffic problems.

A. to face

B. faced

C. facing

D. having faced

答案：

A. to face

B. faced

(答案→)C. facing

D. having faced

解析：考查现在分词作状语，在这里作结果状语。句意：太原，中国北方的城市上周被大雪袭击了，结果面临着严重的交通问题。故选C。