Answer:
D. All of the above
Explanation:
All 3 of these are important factors to consider when researching careers.
Salary is how much you will be paid for this occupation. this will determine your quality of life when working this job (eg how much extra $ you have, how comfortably you'd be able to live, etc.)
Education requirements tell you how much schooling you'll need to attend, what major is required, and how many years it would take to achieve those requirements.
Future outlook is how your life would go if you chose that career path, if there would be a chance to advance further, etc.
