He couldn't find his bike___ the policeman's help. Awith Bwithout 求讲解

He couldn't find his bike___ the policeman's help. Awith Bwithout 求讲解
He couldn't find his bike___ the policeman's help. Awith Bwithout 求讲解

He couldn't find his bike___ the policeman's help. Awith Bwithout 求讲解
without
因为前面是couldn't所以意思是他找不到他的自行车
如果是with则是有了警察的帮助他找不到他的自行车,意思不通
若是without则是没有警察的帮助他找不到他的自行车,意思通顺
所以选B.without

B without
如果没有警察的帮助，他不能找到他的自行车。
without 在这里是没有的意思。

without
双重否定表肯定