分类：电脑/网络-互联网-上网帮助
问题：英语Whatareyoudoinghere,Maryandkat 
What are you doing here,Mary and kate?We are looking at ____pictures.A.each's other B.each other's . each other D.each's other's
回答：选B。

也可以说We are looking at the picture of each other.