You create an application by using the Microsoft .NET Framework 3.5 and Microsoft ADO.NET.

You write the following code segment.

DataTable tbl = new DataTable();
DataColumn colId = tbl.Columns.Add("ID", typeof(int));
colId.AutoIncrement = true;
tbl.Constraints.Add("Pkey", colId, true);
DataColumn colCtry = tbl.Columns.Add("Country", typeof(string));
colCtry.DefaultValue = "USA";
tbl.Columns.Add("Name", typeof(string));

You need to create a new row in the tbl DataTable that meets the following requirements:

The ID column is set to an auto-incremented value.
The Country column is set to the default value.
The Name column is set to the value "Customer A".

Which code segment should you use?

A.
tbl.Rows.Add(0, null, "Customer A");

B.
tbl.Rows.Add(null, null, "Customer A");

C.
tbl.Rows.Add(null, DBNull.Value, "Customer A");

D.
tbl.Rows.Add(DBNull.Value, DBNull.Value, "Customer A");