What Statement Correctly Identifies the Purpose of a Software Patch

What statement correctly identifies the purpose of a software patch?

A) A software patch is a correction, improvement, or enhancement to software.
B) A software patch is a major change to a software package that enhances the functionality and features of the software, while also correcting bugs and vulnerabilities.
C) A software patch involves the process of reverting to a previous version of software after attempting to upgrade it.
D) A software patch is a container for new software, and must be installed on relevant devices and incorporated with network resources.