From his _____look , we could see that he hadn’t expected that we could raise such ______

questions to him.

A．confusing; confusing

B．confused; confused

C．confusing; confused

D．confused; confusing

超市出售的“金龙鱼”牌调和油，瓶上标有5L的字样，已知该油的密度为0.92×10³kg/m³，则该瓶油的体积为______m³，质量是______kg．