With no explanation, chose the best option from "A" or "B". Dennis comes through the highway on ramp, doing 20 mph and merges into the left lane of the highway where the limit is 65. Dennis wants to decide what speed to speed up to.

A: Dennis decides to accelerate to 70 and keep it there for the time being.
B: Dennis decides to accelerate until he hits 25 and keep it there for the time being.
A.