— the accident happened? — It’s said to happen on his way to work
A. Do you know it is where that
B. where is it that do you know
C. Do you know where it is that
D. where do you know it is that
网友回答
A. Do you know it is where that
B. where is it that do you know
C. Do you know where it is that
D. where do you know it is that
解析：强调句型。由答语可知答案。