【单选题】

The Valuable Teeth

Here is a story told about anAmerican general who was a very important figure (人物) in theAmerican army during the First World War.Everybody in the Unites States knew him and many people wished to have a picture or something of his in their homes.
Soon after the war the general returned to Washington. One day he went to a dentist (牙医) and had six teeth pulled out.A、week later the general heard that his teeth were being sold in curiosity shops at $5 each. On each of the teeth there was a label (标签) with the name of the general and words: "Buy these teeth and show them to your friends at home." The general got angry. He rushed to his office and ordered six officers to go around the city and buy all his teeth.
The officers went out and visited every curiosity shop in the capital (首都). They were away from the office all day. In the evening they returned and put on the table in front of the general the teeth they had bought. They had collected 175 teeth.
In the evening, the officers went back with all the teeth which cost ______.
A、$785B、$1050C、$157
D、$875