单项选择题
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You define the following class：
public class Product {
public decimal Price { get； set； }
}
Your application contains a Web form with a Label control named lblPrice.
You use a StringReader variable named xmlStream to access the following XML fragment：
<Product>
<Price>35</Price>
</Product>
You need to display the price of the product from the XML fragment in the lblPrice Label control.
Which code segment should you use？（）
A.A
B.B
C.C
D.D
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