Excellent sources of carbohydrates b vitamins and fiber are
a. milk and cheese
b. unrefined grains
c. meats and poultry
d. fats and oils

The answer to this question right here would be:

(B. Unrefined grains

I hope this was able to answer your question, have a great day! :)

Hello userthe correct answer is b.)because marburg virus causes marburg virus disease in humans and nonhuman primates, a form of viral hemorrhagic fever hope this : )