语法与词汇 30.These examples show that openness and the ability to change brings couples a giant step closer to the marital harmony they______.

【正确答案】 C

【答案解析】C项“crave渴望”符合题意，如：crave after sympathy(渴望同情)。其他三项“A项request请求，要求；B项negotiate协商；D项detest厌恶”都不正确。本题空格处是说他们所渴望的和谐融洽的婚姻。因此C项为正确答案。