Welcome to the forums!
Well, on these forums, it is expected that the poster put in the effort before posting some questions here, and of course they have to show that they did so by saying something like this;
The option "C" should be correct, because...
So, if the teachers of the forums (or any other members who are willing to answer you)
believe that you tried first and came up with the answers (correct or not), they will be happy to show your mistakes, if there are any, and the reasons why.
Student or Learner