The first lady of the USA, Michelle Obama visited China this spring. She with her mother and two dau

答案：A

解析：
试题分析：句意：美国的第一夫人，米歇尔奥巴马今年春天访问中国。她与她的母亲和两个女儿在中国呆了一个星期。A. stayed in(过去)呆在……B. has been in (一直)住在……， C. has been to　去过……，D. has gone to　去了……（还没回来）。根据句意，故选A。
考点：考查一般过去时态。