问答题 翻译：It is reported that four people were seriously injured in the accident.

单项选择题 下列不属于公共生活特点的是( )。 A．活动范围的广泛性 B．对他人与社会的影响较弱 C．交往对象的复杂性 D．活动方式的多样性

问答题 People say that three men were arrested after the explosion. (say)