US．President Barack Obama arrived in China’s economic center Shanghai on Sunday night No

问题补充：

U．S．President Barack Obama arrived in China’s economic center Shanghai on Sunday night, November 15th , a state visit to China．

A. starting

B. started

C. to start

D. having stated

答案：

(答案→)A. starting

B. started

C. to start

D. having stated

解析：考察非谓语动词。句意：在12月15日星期日晚上美国总统奥巴马到达了中国的经济中心——上海，开始对中国进行国事访问。现在分词作状语表示正在进行的伴随性动作，和句子主语是主谓关系。故选A。