You are designing a Windows Azure application that will provide online backup storage for very large media files. The application must be capable of storing an average of 1 GB of data for each user. The application must provide random read/write access. You need to recommend a durable data storage solution. What should you recommend？（）

A. Use a Windows Azure Drive.
B. Use Windows Azure page blob storage.
C. Use Windows Azure block blob storage.
D. Use local storage on a Windows Azure instance.