Last Christmas, The Washington Post published an essay what kind of Christmas dolls are popular with children in China.
A. asks
B. asking
C. asked
D. having asked
网友回答
A. asks
(答案→)B. asking
C. asked
D. having asked
解析： 句意：去年圣诞节，The Washington Post出版了一篇文章询问什么样的圣诞礼物在中国受孩子们的欢迎。这里是定语修饰essay，因为essay和ask是被动关系，用现在分词做定语，所以选B。