单选题 It takes ______ very unusual mind to undertake ______ analysis of ______ obvious.

【正确答案】 B
【答案解析】[精解] 本题考查冠词。mind意为“头脑”,为可数名词,用不定冠词修饰;analysis有限制词修饰,用定冠词the;“the+ adj.”表示一类人(或事物)。答案选B。