-—How about your conference?
-—Pretty successful．It allowed both sides of us to better understand each stood on many issues．
A. which
B. that
C. what
D. where
网友回答
A. which
B. that
C. what
D. where
解析： 考查状语从句。句意：你们的会议开得如何？很成功，它让我们双方能更好地理解各自所持的观点。由语境可知，此处where引导地点状语从句。
考点 : 考查状语从句