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- 单项选择题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");
- B
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