The correct answer to this open question is the following.
Although there are no options attached for this question we can say the following.
When scanning a persuasive text, the kind of language you should look for to help you make a prediction about the text is the one that is directed to appeal to the emotions of the reader. We are talking about the language that uses Pathos, the appeal to the emotions to convince the readers.
You have to look for words and sentences that are emotive enough to move the reader and make it "feel" something and provoke some kind of emotional reaction.