Answer: C) Apart from dabbling in playwriting, he has tried creating a great epic novel and composing a long, tragic epic.
Explanation: parallelism or parallel structure is a literary device that consists in the repetition of the grammatical structure of different words or phrases in a sentence or paragraph, in order to emphasize an idea or to create an impact in the audience. From the given options, the sentence that correctly uses parallel structure is the corresponding to option C, because it uses the same tense ("dabbling," "creating," and "composing").