Please avoid screenshots and please always tell us where the material comes from. Is it another question from Boyarsky and Selikoff? Please tell us the book title and page number.
Did you run the code? I think the way to solve that sort of question is to write down on paper what each object is, and what its fields point to.
Remember that is very poor quality code, which should only ever be seen in cert. exams or cert. exam revision books