问题
选择题
—_____bargaining is so interesting?
—Sometimes it is a test to see who stand their ground for the longest.
A．What is it that
B．Why is it that
C．What it is that
D．Why it is that
答案
答案：B
题目分析：考查强调句的特殊问句：句意：为什么讨价还价这么有趣？--有时是考验看谁坚持到最后。强调句的特殊问句的结构是：疑问词+is/was+that+其余部分，这句话其余部分并不缺主语，宾语和表语，不能用what，排除AC项，因为是疑问句，所以语序是is it，选B。