A:2Na2O2+2H2O=4NaOH+O2↑
B:4Fe(OH)2+O2+2H2O=4Fe(OH)3
C:2Na+2H2O=2NaOH+H2↑
D:2F2+2H2O=4HF+O2
下列句子划线成语使用恰当的一项是 ( )
Jack hurried to the rail way station in a taxi this morning ____ ____he wouldn't miss the train to Tianjin.