本题答案为:B
本句子是定语从句.由于前后两句:I work in a business 与 almost everyone enjoy the good accommodation 都不缺少成分,所以用关系副词where=in which.
举个简单的例子吧:This is the place where I was born.定语从句
此句子完整的可以改为:This is the place where(in which) I was born.
be born in some place.出生于某地.
希望这样的解释你能满意