it the effective way of speech is the best and shortest answer i can give you
A because this does not show any type of character development along a period of time. You can look at the other options and see the difference :)
The answer is before because prefix of pre is before. For Example preheat
aggressive, determined, earnest, energetic, enthusiastic, resourceful, anxious, ardent, aspiring, avid, ball of fire, bent upon, climbing... you get it...
I’m confused???? Is there a story to this?