【题目】Scott was amazed by the Great Wall, _______ he described as the greatest attraction in Beijing.
A. where B. which
C. what D. why
在线课程【答案】B
【解析】
试题分析：考查定语从句。本题定语从句的先行词是the Great Wall，关系代词which指代先行词在定语从句中做动词describe的宾语，并引导非限制性定语从句。AD两项不能在句中作宾语，what不能引导定语从句。故B正确。