你写的这句话是有语病的.主要是关系副词前面没有合适的先行词,所以需要修改关系副词where改为关系代词who.修改如下：
Every college freshman will be confronted with the choice whether
living alone or living with roommates who have different views.
如有不懂可以追问哈,我是英语专业毕业的