The correct answer is D. Linus Torvalds.
Linus Torvalds is a Finnish-American software engineer who is best known for developing the Linux kernel, the operating system on which the Linux operating system is based. He also created Git, a distributed version control system.
Bob Young is an American entrepreneur who co-founded Red Hat, a software company that develops and sells Linux-based software.
Mark Eving is an American software engineer who co-founded VA Linux Systems, a software company that was acquired by Silicon Graphics in 1999.
Richard Stallman is an American software developer who is best known for creating the GNU Project, a collection of free software programs. He is also the founder of the Free Software Foundation, a non-profit organization that promotes the use of free software.
None of the above is not the correct answer.