One way to ensure that your title accurately reflects the content of your essay is to find key words in your thesis and use them in the title.
So, C.
The correct answer is probably "throw between" because to interject means to interrupt and add something of your own. Thus you would throw your comment in between the speaking process of your friend who is talking.
Well the target audiences are very different, because at the political party the speaker is trying to persuade the audience to agree with him/her where as the target audience for the academic paper are trying to tech their audience on the topic, also the thesis is more clearly stated in the academic paper.
This may help... https://m.poemhunter.com/poems/irony/