Answer:
A). It is based on the writer's experience of a particular event or period.
Explanation:
As per the question, option A i.e. 'It is based on the writer's experience of a particular event or period' is the sentence that describes one of the significant features of a personal narrative essay. A Personal narrative essay is described as an essay that discusses or shares a significant personal experience of the author in the first person and focuses on the emotional aspect through which the audience can relate. Thus, option A is the correct answer.