Two Groups of Rats Were Trained to Navigate a Runway

Multiple Choice

Two groups of rats were trained to navigate a runway for food.One group earned a single food pellet, the other received three pellets.What will happen when they are both shifted to a situation in which they earn the alternative reward?

A) Rats that initially received the small reward will run faster for the larger reward than the rats that initially received the large reward did.
B) Rats that initially received the large reward will run faster for the small reward than the rats that initially received the small reward did.
C) Rats that initially received the small reward will run more slowly for the large reward than the rats that initially received the large reward did.
D) The two groups will now run at approximately the same speed.