For the introductory paragraph, you should start by introducing broad ideas about the subject at hand. In this particular case, it would be a good idea to provide some background information about Sonia Nazario and maybe a little bit of information about his biographies and editorials. Nothing in your introductory paragraph should compare or contrast the two at all...you should save this for your body paragraphs. Make sure your thesis statement is the very last sentence of your introductory paragraph...this is the most important thing when it comes to most English teachers.
The answer is: figure out meaning based on what you already know and what the text says
To infer something from the passage, you need to read it and able to understand the meaning of the passage without actually put too much focus on the passage.
Passage inference could be considered as a reading skills. This usually tested when you do an SAT test to measure how much information you can gather from reading a certain text within a short period of time.
(A) sorrowful is the correct answer
A because if you take out the "who's" turn it into "who is" then does it sound right