题目内容：
请阅读短文，完成此题。In recent years, publishers, directors and TV producers have taken a keen interest in popularonline novels, thanks to their originality and solid fan base.
Genre is an important factor. According to a survey by Chinese online literature platformCloudary, of t00 online novels whose copyrights were sold by Cloudary for adaption in 2012,modern city novels, historical romances and war stories were the most popular.
Online author Liu Chenfeng's best-known novel A Clear Midsummer Night is a love story. Itattracted more than 30 million Web hits and won the top prize in the annual competition forChinese romance novels in 2012. A TV adaption of the book, starred by Yang Mi and Liu Kaiwei,was a huge hit when broadcast in 2013. The success of the TV adaption has brought Liu greaterpopularity and more confidence in her writing. "It's as if a feast prepared by me has beenappreciated by numerous diners, which is a great encouragement." Liu says.
Literature websites, which are supreme headquarters collecting some outstanding works, haveplayed an important role in this trend. Major websites, such as Qidian.com and Hongxiu.com, whichare owned by Cloudary, have established special branches to help film and TV producers who arelooking for good stories and to deal with copyright licensing. Liu, who has entrusted the literaturewebsite Hongxiu.com to deal with her copyright licensing to TV producers, thinks it makes thingseasier for writers and allows them to focus more on their work.
However, many other writers have sought to work closely with film and TV producers and playan active role in the adaption process of their own works. The authors really know the essence oftheir works. To some extent, their working together may produce better films or TV series. Theauthors' unique understanding about the original works is valued by producers and directors.
Popular online writer Bao Jingjing worked with director Teng Huatao as the screenwriter forone of her online novels. The movie Love Is Not Blind, adapted from her story, became an instanthit in 2012.
Bao graduated from Beijing Film Acadetny with a degree in literature. Her background gaveher extra weight in winning the director's trust. The experience has led Bao on a new career path.She won the award for best adapted screenplay at the d9th Golden Horse Awards in Taiwan in 2012.
Since then, Bao has adapted another of her writings into a film and a TV series, both directedby Teng. "I am lucky. Now I have a job that I really enjoy," Bao says. While writing novels online,Bao adds that she will consider the possibility of her works being adapted into films or TV, and avoids sentences that might be difficult for actors.
Which of the following is not the most popular genre of online novels?
查看材料
A．Modern city novels.
B．Historical romances.
C．Science fiction.
D．War stories.
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