How to get value returning ({Microsoft.Xrm.Sdk.OptionSetValue}) CRM 2011 fetchXml

Hello

I am using fetchXml to fetch records using string below

       string fetchXml1 = @"<fetch version='1.0' output-format='xml-platform' mapping='logical' distinct='false' count='100'><entity name='account'><attribute name='ownerid' /><attribute name='name' /><attribute name='telephone1' /><attribute name='websiteurl' /><attribute name='customertypecode' />                             <attribute name='emailaddress1' /><attribute name='parentaccountid' /><attribute name='address2_city' /><attribute name='accountnumber' /><attribute name='accountid' /><order attribute='accountnumber' descending='true' /><filter type='and'><condition attribute='statecode' operator='eq' value='0' /></filter></entity></fetch>";

1. but list of Attributes below  returning  {Microsoft.Xrm.Sdk.OptionSetValue}

How can I get the attributes returning {Microsoft.Xrm.Sdk.OptionSetValue} please

thanks in advance