The inference is that the author compares changing the school schedule to painting classrooms blue D. to show how ineffective changing the schedule is.
It should be noted that an inference simply means the conclusion that can be deduced based on the information given. Inferences are steps in reasoning that connect premises to logical conclusions; the word "infer" derives from the Latin inferre, which meaning to "carry on."
More frequent breaks are suggested in this school district's proposals to make up for the lost summer, but these will simply disrupt learning. Students would benefit from changing the school year's schedule approximately as much as by painting every classroom blue.
In this case, the inference is that the author compares changing the school schedule to painting classrooms blue to show how ineffective changing the schedule is
Therefore, the correct option is D.
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