the result of the election was made_____until last fridaya ,knowi_英语解答

the result of the election was made_____until last friday
a ,knowing
b known
c to know
d to be known

人气：260 ℃　时间：2020-01-26 07:21:12

解答

答案b
是被动语态,但用在使役动词后,省略 to be