You use: Vous when talking in a formal way, or when talking to multiple people
You use: Je when talking about yourself
And you use: Tu when talking informally or to a friend
So the answer is B) tu
Answer:
Assuming that you're learning numbers right now, you could say;
George will take his exam at 10:11.
George passera son examen à dix onze heures.
- <em>daintysword</em>