Question: What do the blue and red dotted lines in the animation represent at 42:04?
(A) The blue dotted line represents cold wind and the red dotted line represents hot wind
(B) The blue dotted line outlines the shape of the front half of the car, and the red dotted line outlines the shape of the rear half of the car
(C) The blue dotted line represents where reach the wind and the red dotted line represents where will not hit by wind
(D) The blue dotted line represents strong wind and the red dotted line represents weak wind
Answer: A