You are designing a Windows Phone 7 application to work with large files that will be stored on a device.
The application must be able to use the fastest method available to read and write large files. You need to recommend a data serialization method that ensures the fastest performance for reading and writing data. What should you recommend?

A.
XmlSerializer

B.
BinaryReader and BinaryWriter

C.
DataContractSerializer

D.
DataContractJsonSerializer