We listened dumb-struck, full of______, to the shocking details of the corruption of the president of the company.
【正确答案】 D
【答案解析】本句空格处意为“充满怀疑地”。incredibility意为“不能相信(事实)”,与句意相符。其他三项incredulity“怀疑(不确知的事情)”,ingenuity“独创性”,ingenu一ousness“坦白,直率”都不正确。