单选题You are consuming a Windows Communication Foundation (WCF) service in an ASP. NET Web application.The service interface is defined as follows:[ServiceContract]public interface ICatalog{ [OperationContract] [WebGet(UriTemplate="/Catalog/Items/{id}", ResponseFormat=WebMessageFormat.Json)] string RetrieveItemDescription(int id); } The service is hosted at Catalogsvc.You need to call the service using jQuery to retrieve the description of an item as indicated by a variable named itemId. Which code segment should you use?（）A$get(String.format(/Catalogsvc/Catalog/Items/id{0}, itemId) null, function (data) { ... }, javascript);B$get(String.format(/Catalogsvc/Catalog/Items/{0}, itemId), null, function (data) { ... }, json);C$get(String.format(/Catalogsvc/Catalog/Items/{0}, itemld), null, function (data) { ... }, xml);D$get(String.format(/Catalogsvc/Catalog/Items/id{0}, itemld), null, function (data) { ... }, json);
单选题
You are consuming a Windows Communication Foundation (WCF) service in an ASP. NET Web application.The service interface is defined as follows:[ServiceContract]public interface ICatalog{ [OperationContract] [WebGet(UriTemplate="/Catalog/Items/{id}", ResponseFormat=WebMessageFormat.Json)] string RetrieveItemDescription(int id); } The service is hosted at Catalogsvc.You need to call the service using jQuery to retrieve the description of an item as indicated by a variable named itemId. Which code segment should you use?（）
A
$get(String.format(/Catalogsvc/Catalog/Items/id{0}, itemId) null, function (data) { ... }, javascript);
B
$get(String.format(/Catalogsvc/Catalog/Items/{0}, itemId), null, function (data) { ... }, json);
C
$get(String.format(/Catalogsvc/Catalog/Items/{0}, itemld), null, function (data) { ... }, xml);
D
$get(String.format(/Catalogsvc/Catalog/Items/id{0}, itemld), null, function (data) { ... }, json);
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