Mary demanded that he _______ the books he borrowed from her a month ago.
A、return
B、would return
C、returned
D、had returned
【正确答案】：A
【题目解析】：【考情点拨】考查虚拟语气。
【应试指导】句意：玛丽要求他把一个月前从她那里借的书还给她。demand后接宾语从句时，从句谓语一般要用虚拟语气，即“demand (that) sb. (should) do sth.”,故选A。
