下列 语句正确创建了一个与SQL Server数据库的连接
A.SqlConnection conn = new SqlConnection("Data Source = .; Integrated Security = SSPI; Initial Catalog = myDB")
B.SqlConnection conn = new Connection("Data Source = .; Integrated Security = SSPI; Initial Catalog = myDB")
C.SqlConnection conn = new SqlConnection(Data Source = .; Integrated Security = SSPI; Initial Catalog = myDB)
D.SqlConnection conn = new OleDbConnection("Data Source = .; Integrated Security = SSPI; Initia