I want to buy something special for my grandmother, _______ her birthday is coming.
A . because B . although C . so
A
【详解】句意:我想给我奶奶买点特别的东西,因为她的生日快到了。
考查连词。 because 因为; although 虽然; so 因此;空格前后句之间是因果关系,属于 “ 前果后因 ” 结构,应用 because 引导原因状语从句,故选 A 。