Answer:
答案是选项 A，因为该政策支持所有与中国进行贸易的国家享有同等特权，并重申了中国的领土和行政完整。
The Roanoke colonists are believed to have moved from the area. Because it is still a mystery, some theorize that they were taken by Indians. Some theorize that supplies were long in coming that they were forced to move. There is little evidence either theory.
<span>Jerry Greenfield hails from the United States of America and is a philanthropist and businessman. </span>
