Lalita is writing a problem-and-solution essay about ways to improve school lunch choices. Which sentence is the best thesis for her essay?

A problem-and-solution essay should identify an issue and point toward ways to address it. “School lunches can be healthier and tastier with just a few simple changes” introduces the problem and suggests that solutions are possible. Choice D gives a reason for unappealing lunches but does not point to a solution; B and C focus on different topics.

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