单选题 ______ is the substitution of an agreeable or inoffensive expression for one that may offend or suggest something unpleasant. For instance, we refer to "die" as" pass away".
A. Hyperbole B. Metaphor
C. Euphemism D. Oxymoron

【正确答案】 C

【答案解析】Euphemism(委婉)是修辞的一种，指用一个适度的、不直接的、含糊的词来取代一个令人感到粗鲁的、过于率直、具有冒犯性的词。