单选题 An epigram is usually defined being a bright or witty thought that is tersely and ingeniously expressed.
【正确答案】 A
【答案解析】[解析] 本题考查习惯搭配。句意为:隽语通常被描述为简练、巧妙表达的机智诙谐的思想。define sth. as sth.为固定搭配,意为“给……下定义”。所以,答案是A。