Based on the data given, what is the BEST conclusion to be drawn?

A) Over time, due to evolution by means of natural selection, resistant weeds survived, reproduced, and passed on their herbicide resistant genes.
B) Over time, the amount of herbicide resistant plants increased due to an increase in farming.
C) More weeds are killed today by herbicides than any other time in history.
D) Herbicide is a natural mutagen, causing weeds to turn into super weeds.