They failed to ____ the directors that their proposals would work_英语解答

They failed to ____ the directors that their proposals would work. A.convince B.confirm
C.convertD.control
为什么不选C?请分析选项

人气：270 ℃　时间：2019-12-13 10:37:12

解答

选A 说服
C 是在信仰上说服别人
B 确定
D 控制
都无关.
请及时采纳,多谢!这句话什么意思？他们没能成功地使主管们信服他们的建议有效。