Damaso, Here is another tip
Read the question 2 times very very well. Now dont look at the answers before you have read the question
Then read the 3 answers (do not make a judgement). I did this, and the first answer i came up with, was often the correct answer of the question. This is how i scored 48/50 on the third try of my theory lesson (you need 44/50 to pass. Now 2 years later it is 46/50)