问题
选择题
Taiyuan, a city in North China, was struck by a heavy snow last week, _____serious traffic problems.
A．facing B．faced C．having faced D to face
答案
答案：A
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Taiyuan, a city in North China, was struck by a heavy snow last week, _____serious traffic problems.
A．facing B．faced C．having faced D to face
答案：A