12.【2020 •山东日照】________ the traffic was heavy, we still got to the railway station on time.
A. As B. Unless C. When D. Although
【答案】D
【解析】句意：尽管交通拥挤，我们还是准时到达了火车站。考查连词。A. As因为；B. Unless除非；C. When当……时；D. Although尽管。根据we still got to the railway station on time可知，该句与上文the traffic was heavy之间为让步关系，故应用连词Although，故选D。