The answer that is an example of a periodical is option B. The Wall Street Journal.
A periodical is a publication that issues articles, an other stuff periodically throughout the year. Periodicals include magazines, newspapers and journals. Journals are often issued monthly, but may be published only a few times per year. Magazines are often published weekly or monthly, and newspapers are released daily. The Ney York Times is a peridical and each time it is published, it contains a unique set of new articles with information.