F: Hello. Welcome to this week's People You Meet. Today, we present to you Mark Leach, an information officer in London. ,M: Hi everyone, my name's Mark Leach. I'm an information officer at the Britain Business Center, which is a tourist office for the British tourist board in London. Here, we offer a tourist information service to mainly visitors from overseas. And each year, we have about 500,000 people come to the office.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: I can't believe that your office receives 500,000 people every year. (C) F: Wow, your office receives 200,000 people every year. That's a lot. (D) F: I can't believe that your office receives 500,000 people every month.
B