As I stood in a stall   of Beijing's Silk Market, waiting to exchange a silk garment, I watched in amazement as the young vendor   pulled out silk nightgown after nightgown for a foreigner, who sounded like an American, but frankly could have been from any English-speaking Western country. The man appeared satisfied when she pulled out a bright, purple nightgown and said, "This one, very good." and probably asked how much it cost, for the owner pulled out her calculator showing 800. My heart was pounding heavily. After all, I was holding a similar gown in my hand for which I had paid all of 60 yuan ($9.39) just the previous day. I wanted to scream and say, "Wait, you are _ ". But I just kept silent. As I moved away from the stall a thousand thoughts flashed in my mind. Should I have just stepped in and stopped it? I may have saved the man but could have brought danger to myself. Maybe I could have pretended to seek help with some English from that man and warned him not to be cheated? When I told the incident to some of my friends, most seemed to think it was unfortunate but one couldn't fault the vendor. Everyone visiting China knows, or ought to know, that bargaining is a way of life here, they said. Although I do agree that the man should have been better informed, it just doesn't seem right that the place, to which tourists from all over the world are brought and made to believe is a Mecca   for shopping in Beijing, should be allowed to get away with such daylight robbery. I still think I should have done something about what I witnessed. The writer kept silent over this matter probably because   _  .
the man should know bargaining is a way of life here he couldn't exchange his garment if he did so he was worried the vendor would take revenge on him he thought the garment was worth the money
Question: As I stood in a stall   of Beijing's Silk Market, waiting to exchange a silk garment, I watched in amazement as the young vendor   pulled out silk nightgown after nightgown for a foreigner, who sounded like an American, but frankly could have been from any English-speaking Western country. The man appeared satisfied when she pulled out a bright, purple nightgown and said, "This one, very good." and probably asked how much it cost, for the owner pulled out her calculator showing 800. My heart was pounding heavily. After all, I was holding a similar gown in my hand for which I had paid all of 60 yuan ($9.39) just the previous day. I wanted to scream and say, "Wait, you are _ ". But I just kept silent. As I moved away from the stall a thousand thoughts flashed in my mind. Should I have just stepped in and stopped it? I may have saved the man but could have brought danger to myself. Maybe I could have pretended to seek help with some English from that man and warned him not to be cheated? When I told the incident to some of my friends, most seemed to think it was unfortunate but one couldn't fault the vendor. Everyone visiting China knows, or ought to know, that bargaining is a way of life here, they said. Although I do agree that the man should have been better informed, it just doesn't seem right that the place, to which tourists from all over the world are brought and made to believe is a Mecca   for shopping in Beijing, should be allowed to get away with such daylight robbery. I still think I should have done something about what I witnessed. The writer kept silent over this matter probably because   _  .
A. the man should know bargaining is a way of life here
B. he couldn't exchange his garment if he did so
C. he was worried the vendor would take revenge on him
D. he thought the garment was worth the money
Answer: