I order to make it clear ,I must go up to ( )second floor and ask_英语解答

I order to make it clear ,I must go up to ( )second floor and ask him( )second time
A.the ,a B.the ,the C.a,the D.a,a

人气：453 ℃　时间：2020-03-21 15:18:41

解答

选A
the second 强调顺序
a second 强调次数
为了弄明白这事,我必须去二楼再问他一次.