单选题 ______ may think they are better than the facts would justify.
A. Optimists B. Pessimists C. Cynieists D. Humorists

【正确答案】 A
【答案解析】optimist乐天派，乐观者；pessimist悲观者；cynicist愤世嫉俗者；humorist谈吐诙谐者。