单选题 We listened dumb-struck, full of ______, to the shocking details of the corruption of the president of the company.
A. incredulity B. ingenuity C. ingenuousness D. incredibility

【正确答案】 D
【答案解析】[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；ingenuousness坦白，直率”都不正确。