单选题
I had to do a five-hour written examination on horse and stable management; but you know I have to do it in order to get the______.
【正确答案】
D
【答案解析】解析：句子的大意为：我做了五个小时关于马及马厩管理的书面考试，但我只有通过了考试才能获得相应资格。A项civilization“文明”；B项assimilation“同化”；C项revolution“革命”；D项qualification“资格”。D最合理，所以D项符合题意。