Hi, there! :)
The correct answer is b. DHA (docosahexaenoic acid) is a type of omega-3 fatty acid that is found in fish oil and has been shown to have anti-clotting properties and support heart health. Fish oil also contains EPA (eicosapentaenoic acid), another type of omega-3 fatty acid, which also has similar benefits. Cholesterol, HDL, LDL, VLDL are different types of lipoproteins and not found in fish oil.
Hope that helps! Good luck! ^_^