This seems more like an opinionated question, and less of one that has a real answer. However, I would choose B because it would make a follow up question easier, and it seems like it’s more of what the teacher would be looking for.
“The old truck messily rumbled down the deserted street.”
2. “as if you could use a”
You look as if you could use a holiday.
3. “as if he has lost”
He looks as if he has lost weight since I last saw him.
4. “as though she had met”
She felt as though she had met Gary before.
5. “as if she were”
She behaves as if she were a beauty queen.
6. “as if she needs”
She looks as if she needs a rest.
7. “the way that he”
I mowed the lawn the way that he told me to.
8. “as if she is”
She acts as if she is a “millionaires.”
9. “the way that she”
I taught the class the way that she instructed me to.
10. “ as if he has gotten”
My grandfather looks as if he has gotten much thinner since I last saw him.
11. “ the silver the way that she”
I polished the silver the way that she told me to.
12. “me as if I was”
He orders me as if I was his slave.
Answer: It means there is an end to everything, nothing is permanent and nothing is forever.
Explanation: Every single living organism has a beginning and an end, it's only a matter of time. Just like the day we were born; we will surely die one day and every single riches and fortunes we have saved up becomes meaningless to us (the dead don't use money), Only our kind heartedness, our charity and everything good we did during our lifetime becomes valuable to us, all other things are vanity and meaningless.