Answer:
Option B
<u><em>Hope this Helps!!! :)</em></u>
Perhaps I’m being 5tup1d but I think your describing open source soft in general. Linux and a lot of periphery that runs on Linux is open source so it did play a large role being that it’s not proprietary like Windows and windows adjacent soft.
The header is not a main part of the email.
Pressing enter two times I’m pretty sure that’s right cuz like it does nothing when I do it. It’s either that or idk up to u to take an answer from someone who has bad grammar