企源知识库

Some discussion has ___________ about who should be put in charge of this project.
A、risen
B、lifted
C、raised
D、arisen
【正确答案】：D
【题目解析】：虽然都有上升,升高的意思,但只有arise才有“提出”的意思,而has后用动词过去分词形式,所以选arisen。