What step you should take?

A new sample file is needed for a data loading process with a new layout. You have clicked auto detect format.

What step you should take?
A . Load a file from your local machine to test the format
B . Verify the file format, specifically date formats that need to be set correctly
C . You can move forward, auto detect formats the file properly
D . You should create a new data loading process and leave the original intact for future use

Answer: B