单选题 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】[解析] D选项incredibility不能相信(事实)，与句意相符。A选项incredulity[怀疑(不确知的事情)]、B选项ingenuity(独创性)、C选项ingenuousness(坦白，直率)都不正确。本句空格处意为“充满怀疑地”。因此D选项为正确答案。