On the Day of the Exam, My Brain Suddenly Became Enlightened!

My name is Li Mu, and I woke up as a student taking the college entrance examination. Looking at the papers full of test questions in front of me, I felt very panicked! Although I could understand all the questions, I had no idea which one was the correct answer! Do we really need to use the legendary secret skill... Three long and one short choose the shortest, three short and one long choose the longest, and if the long and short are mixed, choose d. But what should we do next if we don't choose a topic? What about the composition? Wait... My mind seemed to suddenly be enlightened! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.