A:C3N3(OH)3与HNCO为同一物质
B:HNCO是一种很强的氧化剂
C:1 mol NO2在反应中转移的电子为4 mol
D:反应中NO2是还原剂
—Will you come ________ have a drink with me?—I'd love to, _________ I'm too busy these days.