这是一个定语从句,先行词是Lian Chen,是单数,所以选B。你的问题就是把先行词误以为是Lian Chen with his visitors。with his visitors是修饰成分。其实你可以把with his visitors 移到句尾,变成Lian Chan who is from Taiwan is paying his first visit to the main land of china with his visitors. 这样你就清楚了吧?...
with his visitors 是伴随语,而非主语成份,是题目专门写出来迷惑你的!真正的主语是Lian Chan, 同时他也是要填的定语从句的主语根据主谓一致,单三当然只能选B啦这题目唯一的难度也就是with his visitors迷惑你了,以后再遇这样的就当with visitors不存在就OK了...