I HAVE THE BIGGEST QUESTION EVER:what do you do if you used this app got some WRONG answers and because of that failed your test BECAUSE I DID THAT

How can you tell that you're driving in the right direction? options are a. there is a white line on your left and a yellow line on your right. b. there are yellow lines on both sides of your vehicle. c. there is a double yellow line on your right. d. there is a yellow line on your left and a white line on your right.