A:of them
B:from which
C:who of
D:of whom
反腐败问题,因为涉及老百姓的利益,历来是民众最关心的话题。东汉时期光武帝采取的反腐败措施是( )
如果(x+m)(x﹣n)中不含x的项,则m、n满足( )