问题补充:
This novel is set in the modern city, San Francisco, so once, it will be very popular.
A. publishes
B. having published
C. publishing
D. published
答案:
A. publishes
B. having published
C. publishing
(答案→)D. published
解析:过去分词作状语,publish的逻辑主语是the novel,两者是逻辑上的动宾关系。