The answer is D. If you divide 31/8, you get 3.875, and that is the smallest. 3.7 would be the next smallest, because 3 3/4 in decimal form is 3.75, which is greater than 3.7. 3 3/4 would be next, because it is the next smallest. Finally, 3.89 would be the greatest. Hope I helped! ;)