how to hack answer
is what you may search and if you found this, you'll be in for a good time.
now you want to right click your question answer, click inspect, click lrn_response_wrapper, then lrn_response then group then lrn response wrapper then you will have the answer options, expand each one to revile input and look for a yellow ''value='' and the correct answer will have a value of 0 funny enough, if you have any question feel free to ask.