Read the sentence from "BigDog on the Move.” In movies, robots can do almost anything.

Which revision of the sentence changes the purpose from "inform” to "convince”?

a)Robots are not that advanced, so don’t believe robot movies.
b)Movies use special effects to make robots seem very advanced.
c)In some movies, robots seem so advanced that they are like people.
d)Over the last decade, several movies have made robots seem advanced.