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单项选择题 You are employed as a Web Application Developer at Certkiller.com. You make use of Microsoft.NET Framework v3.5 to create an ASP.NET application.  You create a class in the application that contains the code below. （The line numbers is includedfor reference purposes） 01 public object GetCachedProducts（sqlConnection conn） { 02 03  if （Cache["products"] == null） { 04  SqlCommand cmd = new SqlCommand（"SELECT * FROM Products"， conn）； 05  conn.Open（）； 06  Cache.Insert（"products"， GetData（cmd））； 07  conn.Close（）； 08  } 09  return Cache["products"]； 10 } 11 12 public object GetData（SqlCommand prodCmd） { 13 14 }  You notice that the GetCachedProducts method is called to provide this list from the Cache objectevery time a Web form has to access a list of products. To ensure productivity management wantsyou to make sure that there is always a list of products available in the Cache object. You thusneed to determine the appropriate code that should be added in line 13.  What should you identify？（）

A、A

B、B

C、C

D、D

  • D

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