An academic journal is definitely the type of Internet source that is most likely to provide accurate information on the history of linguistics.
You can find a lot of interesting and important information in such a journal, because it has many articles about linguistics, and surely at least one of them will be about the history of linguistics, among other things.
One type of narrative poetry that is written in stanzas is called a ballad. The correct answer is option D. A ballad is written in four-line stanzas which is called a quatrains. Ballads are used for singing and usually the refrain part is being repeated. The whole focus of this kind of poetry is usually a dramatic event, and its rhyme and meter is simple.