请教英语非谓语动词When offering help to others in trouble,in fact we have _英语解答

请教英语非谓语动词
When offering help to others in trouble,in fact we have no pictures of any heroes（forming） in our minds.
A,forming B.formed C.to be formed 为什么不选B和C,图像被形成呀,怎么能是主动的呢?

人气：348 ℃　时间：2020-04-06 08:16:22

解答

form表示“形成/产生”时,也可作不及物动词,类似于appear,这样piture和form之间是主动关系,而非被动关系.再如：An idea formed in his mind.他脑中产生了某种想法.Steam forms when water boils.水沸腾时会产生水蒸...