Euphemism is the method of describing in a polite and agreeable manner something that is harsh, rude or offensive. There are positive and negative euphemism. One negative consequence of using euphemism is that it reduces the level of transparency.
D is the correct answer.
In A, "day" should be capitalized.
In B, "act" and "congress" should be capitalized.
In C, "university" should be capitalized.
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