[单选题]分析以下的C#语句：SqlConnectionConn1=newSqlConnection();Conn1.ConnectionString="IntegratedSecurity=SSPI;InitialCatalog=northwind";Conn1.Open();SqlConnectionConn2=newSqlConnection();Conn2.ConnectionString="InitialCatalog=northwind;IntegratedSecurity=SSPI";Conn2.Open();请问：上述语句将创建（）个连接池来管理这些SqlConnection对象？