问题
选择题
The victims of the accident demanded that the case ______ at once.
A．would be looked into
B．should look into
C．be looked into
D．look into
答案
答案：C
考查虚拟语气。Demand后从句用should加动词原形的虚拟语气，其中should可以省略，从句主语the case是动作对象，故用被动语态，选C。