Sara Works in the IT Department for a Large Retail

Sara works in the IT department for a large retail store. She has been testing a theory about why an error message keeps popping up on a coworker's computer when he tries to start Windows. She has hit a wall and doesn't know where to look next. Sara feels very frustrated with the problem.
What should Sara do to help work out the solution?

A) Write down everything.
B) Divide and conquer.
C) Don't assume the worst.
D) Take a break and come back later.