Excuse me, but can you tell me what UN in your papers ?
A. stands up
B. stands for
C. stands out
D. stands up for
网友回答
A. stands up
(答案→)B. stands for
C. stands out
D. stands up for
解析：
词组辨析：stands up站起来stands for代表stands out杰出，突出stands up for支持
根据句意：你能告诉我你论文中的UN代表什么吗？所以选B。