[单选题]
A new car manufacturer advergh )ipj- ba31w,ok1i;q fxwd* lld6i3xvia)8tises that their cze/p3fjxp, z 9ar can go "from zero to sixty in 8 s". This is a descrxp ,fp/e 3zjz9iption of
A. average speed.
B. instantaneous speed.
C. average acceleration.
D. instantaneous acceleration.
