Which three storage types will achieve the goal?

You administer an Azure subscription for your company.

You have an application that updates text files frequently. The text files will not exceed 20 gigabytes (GB) in size. Each write operation must not exceed 4 megabytes (MB).

You need to allocate storage in Azure for the application.

Which three storage types will achieve the goal? Each correct answer presents a complete solution.
A . page blob
B . queue
C . append blob
D . block blob
E . file share

Answer: A,C,D