Haven't read that story, but going from the title I am going to say A.
Answer:
well to write a research you have to research about Romeo and Juliet then research about the irony in the story.
Explanation: You have to research the play then do the following
Understand the assignment.
Choose a research paper topic.
Conduct preliminary research.
Develop a thesis statement.
Create a research paper outline.
Write a first draft of the research paper.
Write the introduction.
Write a compelling body of text.
I think it is e because A dependent clause is a group of words with a subject and a verb. It does not express a complete thought so it is not a sentence and can't stand alone.