And now the state and city are in a money crisis and my dad keeps telling me about how when he was taking all of these tests they froze the civil service lists . That means they stopped hiring cops and firefighters . He said they even laid off cops when they froze the lists in the 70 's .
According to the above context, choose the best option to answer the following question.
Question: Why did the city put a hiring freeze on cops and firefighters ?
Options:
- They wanted to try a new temp agency .
 - They realized they were overstaffed .
 - They could n't afford to pay them .
 - None of the above choices .


They could n't afford to pay them .