（ ）,the president went from one country to another.
（ ）,the president went from one country to another.
A、Traveling by plane
B、To travel by plane
C、Having traveled by plane
D、To have traveled by plane
【正确答案】：A
【题目解析】：分词做状语，句子含义是搭飞机旅行，总统从一个国家飞到另外一个国家。
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