Please choose the correct ending to complete the given sentence: Work World: [header] How to become a perfusionist [title] Take high school classes in science and communication. [step] Take the most advanced chemistry and biology courses offered in your high school, as well as courses in composition and oral communications. [substeps] Maintaining a high gpa and participating in extracurricular activities can help you get into a good college.

Ending1: [title] Attend a school that offers an undergrad degree in perfusion. [step] There are only 4 schools in the us that offer perfusion science programs. Ending2: Programs can be extremely rewarding, especially when you have goals that seem remote. [title] Find a local community college or community college or university. Ending3: Stay away from extracurricular activities in your teenage years, as they may make it harder for you to pass your ged test next year. [title] Sign up for seminars in subjects that interest you. Ending4: Getting a good college education, however, is much less significant than having a high gpa, since you must be fit and healthy for this position. [title] Access textbooks and websites to improve your skills.

Answer format: ending1/ending2/ending3/ending4