Answer:
b. them
Explanation:
their is used to show ownership
Ex: those are THEIR glasses
They is used to refer to a group of people or someones unknown gender
Ex: There THEY are
It is used to refer to objects
Ex: IT is a ball
there is more to it but this is a simple explanation
The answer is undeveloped, the definitions show that it is primitive or rough, which would be the opposite of polished, skilled, or mature.
