Which code segment should you use?

You are developing an application. The application includes a method named ReadFile that
reads data from a file.
The ReadFile() method must meet the following requirements:
It must not make changes to the data file.
It must allow other processes to access the data file.
It must not throw an exception if the application attempts to open a data file that does not
exist.
You need to implement the ReadFile() method.
Which code segment should you use?

A.
Option A

B.
Option B

C.
Option C

D.
Option D

E.
Option E