听力原文：Q: As far as I know you are the only regular staff of the magazine. How do you deal with the daily routine of writing or selecting articles and scripts for the magazine as well as the work such as printing and publishing? A: Yes, I am the only member of the official staff. That means I am the only member within the manning quota of the unit. But of course I cannot handle the work alone without the assistance of many of my trusted and capable friends who render invaluable assistance in the selection of materials, in translation, in editing, in proofreading, etc. Which of the following places didn't Mr. Chen stay?