18. Doug: I lost my laptop computer the other day.Kenji: Oh, that’s not good. How did it happen?Doug: I left my bag under the seat when I got off the bus. I reported it and checked the missing items but didn’t have any good luck.Kenji:_______ Doug: Thank God, yes. I already saved all the important stuff on a hard drive. (A) Have you found your laptop bag? (B) Do you want to rescue your data? (C) Do you back up your files regularly? (D) Have you got your computer back?