Away from their profession, scientists are inherently no more honest or ethical than other people. But in their profession they work in an arena that puts a high______ on honesty.
【正确答案】
D
【答案解析】各项的意思及常用搭配是：conviction确信，坚定的信仰；定罪，in firm conviction坚信。inference推论，推理，draw an inference from由……而推断出。caution小心，谨慎。premium额外费用，奖金；put a high premium on高度重视。根据句意判断，答案为D。