Some discussion has ( )ahout who should be put in charge of this project A risen B arisen为什么选B
问题描述：
Some discussion has ( )ahout who should be put in charge of this project A risen B arisen为什么选B
答
他们虽然都有上升,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.希望我能帮到你