单选题 A musical organ can have pipes of two kinds: flue pipes that work like a flute and reed pipes that operate on same principle as a clarinet.

【正确答案】 D

【答案解析】答案：D：on the same 分析：【the same---as---】的固定用法，少了the；又有on the principle of---按原理参考译文：管风琴有两种类型的音管：flue管(flue没找到合适的解释 )演奏起来像长笛，簧管和单簧管演奏的原理是一样的。