what the hell is this stimulus

This is a genuine question - Is it bad that I am not having to map out any of these types of questions? I have found these to be very intuitive, but I'm worried I'll screw myself in the long run if I'm not mapping these out like J.Y.

if i got the answer right on my original try, why did it flag it for blind review?

im cooked

the way he explained #3 with the r/r made things more complicated than need be. i got it right and understood it until i watched his explanation. #feedback