Scarcity is like a low supply or lack of the said object and it's relationship with economics is the more scarce the item is will make it cost more.
D, car on dit “J’ai cherché du travail pendant deux semaines.”
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:
ils ont vu in film interessant