_______ Mike didn’t win the race, he was still wearing a smile o

_______ Mike didn’t win the race, he was still wearing a smile on his face.
A、If
B、Since
C、Although
D、Because
【正确答案】：C
【题目解析】：if如果；since自从；although尽管，虽然；because因为句意：虽然迈克没有赢得比赛，但他的脸上仍然带着微笑。