They asked us to come off rudely , which was needless as we were hardly going to argue . Then a third woman arrived , though she was a real copper and treated us really respectfully and politely . She informed us that she 'd have to take our names because she had stopped us , just for formalities . So we did so , with a laugh and joke , before I said , ' So , common ? '
According to the above context, choose the best option to answer the following question.
Question: What leads the speaker to refer to the third officer as a ' real copper ' ?
Options:
- The speaker believes that real cops hold themselves to a certain standard of behavior
 - The first two cops were impostors and if the third had n't shown up there would have been trouble
 - The first two people that dealt with the speaker were firefighters , not police officers
 - None of the above choices .


The speaker believes that real cops hold themselves to a certain standard of behavior