A retail customer has a database application that is accessed by a large number of people through a web interface from multiple remote locations. Which questions will provide the information necessary to design the best performing storage solution of the following？（）

A.How many web servers will be connected to the database？
B.How many concurrent applications will run against the database？
C.How many concurrent users will be accessing the database？
D.What are the types of transactions run against the database？