Answer:
The correct option to the following question is option (A).
Explanation:
Open-source software or OSS is the computer software in which the source code can be modified, enhance and, inspect by anyone but they have to distribute that software free of cost.
The person who modifies and enhances that Open Source software does not apply cost on it because this is illegal. The open-source software is the software that is distributed free of cost in the market.