Answer:
"People must learn to hate, and if they can learn to hate, they can be taught to love, for love comes more naturally to the human heart than its opposite."
The correct answer is D. High school graduates should be required to take a year off to pursue community service projects before entering college in order to increase their maturity and global awareness.
You want to create a comprehensive thesis statement that is going to cover all the information you are going to mention later on in the essay. The thesis statement is the most important sentence in an essay because it will give you the gist of what the entire essay is about, and here, that statement is sentence D.