Mina means mine. This word seems the best fit, as the others don't make sense for this context, as far as my knowledge of Spanish goes. I've studied Spanish for two years, and a few of the words I have never heard of before.
C sounds like it fits to me
You can google and translate it into spanish
Answer: Ellos juegan
Explanation: juegan means playing and if you add "ellos" mean "They are playing"
<span>What do you do after the institute
</span>
<span>where you go on weekends
</span><span>Your parents give you money how much
</span>What does he pay