Why were the taillights of the red car also damaged
A．Because it drove backward to let the blue car pass and bumped into the wall.
B．Because the blue car was too fast to stop and therefore pushed it backward into the wall.
C．Because the blue car was pushed by the sports car and it again pushed the red car backward into the wall.
D．Because the sports car overtook too narrowly and pushed the red car backward into the wall.