Find the answer to the following question (hint: "Student Portal"): Which of the following statements is true about a "proctor" for exam-taking?: Select one: a. All University of the People courses require students to take a proctored final exam. b. University of the People students are responsible for finding their own exam proctor. c. An exam proctor can be a relative of the student, as long as they hold a professional position. d. An exam proctor must be over 18 years of age.