Answer E is correct. Anything other than the default delimiters requires the use of a format file to identify the field and record orientation used for the data.
For more information, see the following sources:
Chapter 5, "Data Consumption and Throughput"
SQL Server 2005 Books Online: "SQL Server Database Engine, Administering the Database Engine, Administering the Database Engine, Importing and Exporting Bulk Data, Format Files for Importing or Exporting Data"
"Using Format Files," http://msdn.microsoft.com/library/default.asp?url=/library/en-us/adminsql/ad_impt_bcp_9yat.asp
Within MSDN Library, go to MSDN Home, MSDN Library, Servers and Enterprise Development, SQL Server, SQL Server 2000, Importing and Exporting Data, Using bcp and BULK INSERT, Using Format Files.