Which code segment should you insert at line 05?

You are developing a method named GenerateHash that will create the hash value for a file.
The method includes the following code. (Line numbers are included for reference only.)

You need to return the cryptographic hash of the bytes contained in the fileBuffer variable.
Which code segment should you insert at line 05?

A.
Option A

B.
Option B

C.
Option C

D.
Option D