Although are still outnumbered on the police force, studies suggest they make up more than half of probation officers.

The answer is "women".

Explanation:

As just a policewoman mostly on the ground, their appearance or involvement in certain accidents and situations is critical. It's indeed up to each female cop, whenever it comes to clothing Patrimoine, getting their nails shaped or having earrings, and as long because this is not extreme and although the number of females throughout the police department remains over, studies indicate that they make up over half of the probationers.

a is the answer because it just is

the answer is true!