题干
---Did you look up the time of trains to New York?
--- Yes, but the early train has been cancelled _______ the heavy fog.
--- Yes, but the early train has been cancelled _______ the heavy fog.
A：because
B：as for
C：in spite of
D：due to
答案(点此获取答案解析）
D
Na2CO3+CO2↑+H2O