单选题＿＿＿! You should take&nbsp

问题补充：

单选题＿＿＿!Youshouldtakethischancetoattendit.A.How important conference is itB.How an important conference it isC.What an important conference is itD.What an important conference it is

答案：

D解析由于被感叹的部分是可数名词单数conference，所以感叹词用what，感叹句需用陈述语序。