Because its referring to you. And when you refer to someone or yourself you capitalize. Its also part of a proper noun.
Answer: B and C are the only ones that I recognize
Explanation:
The rest dont look familiar
I know that they have to work more heard and have a good grade so they can be a teacher that is what do I konw
Answer:
they had to talk through telagrams
I believe it would be, Xavier and I have been discussing our ideas in the ashford cafe.
Me and myself just doesn't sound right.