Was it near the white building if I may ask Martin Luther King gave the speech “I have

问题补充：

Was it near the white building, if I may ask, Martin Luther King gave the speech “I have a dream”?

A. where

B. that

C. in which

D. why

答案：

A. where

(答案→)B. that

C. in which

D. why

解析：句意:如果我可以问的话是不是在白楼那里马丁·路德·金作演讲“我有一个梦想”?这里是强调句型其结构是It was+被强调部分+ that+其他，判断强调句型的方法是把It was that去掉整个句子不缺成分，是成立的。，这里被强调的部分是near the white building，故选B。