单选题 As fighting broke out again between the two countries, the negotiations were most ______ to fail.
A. like B. possible C. likely D. probable

【正确答案】 C

【答案解析】[解析] 词义辨析题。因为两个国家又爆发了战争，所以谈判极有可能失败。likely，可能的；可用最高级形式。而其他三项则不能。