题目内容
The book represents a wonderful love story, so once______, it will be popular with young people.
A. publishes B. publishing C. published D. having published
C
解析:
once作为连接词引导条件状语从句, 后面可以接现在分词或过去分词,由于it与publish为被动关系, 所以用过去分词published作状语。
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