【正确答案】:
THE MAY 4TH MOVEMENT WAS A THOROUGHGOING, UNCOMPROMISING REVOLUTIONARY MOVEMENT AGAINST IMPERIALISM AND FEUDALISM.
【题目解析】:五四运动是发生在过去的,所以用过去时was。
THE MAY 4TH MOVEMENT WAS A THOROUGHGOING, UNCOMPROMISING REVOLUTIONARY MOVEMENT AGAINST IMPERIALISM AND FEUDALISM.