The correct answer is:
A. David ha abierto la lata.
"David ha abierto la lata", is the best Spanish equivalent to, "David has opened the can".

La vida in Spanish means the life in english. SO you can say 'Mi vida es bueno', saying that your life is good.
I don't know your family so I can't write it for you, but all you have to do it write a journal entry talking about your family to someone you just met. So just write about your family, and make sure it's in spanish!
<h2>Hope this helps!</h2>
Answer:
If you want it translated its paper, cartboard, and aluminum. But if thats not the answer you need to put the rest of the question.
Explanation:
I'm Mexican:)