question 4 of 10 The best example of efficiency is: A. getting a B on a homework assignment that you spent two hours on the night before. B. getting an A on a homework assignment that you spent one hour on the night before. C. getting a C on a homework assignment that you spent 30 minutes on the night before, and also finishing two other assignments. D. getting an A on a homework assignment that you spent three hours on the night before.

Efficiency refers to the ability to accomplish a task or produce a desired result with the least amount of resources, such as time, money, or materials. In the context of the given options, efficiency would be demonstrated by achieving the best result (in this case, the highest grade) with the least amount of time spent. Option B, "getting an A on a homework assignment that you spent one hour on the night before," is the best example of efficiency because it shows that a high grade was achieved with the least amount of time spent compared to the other options. Options A, C, and D either show less efficient use of time or do not provide enough information to determine efficiency.