Until Recently, People Haven't Been Able to Do Anything to Control

Until recently, people haven't been able to do anything to control inherited characteristics from one generation to the next. True or false?

A) True. We didn't know about DNA, so there was no way to try and alter the traits caused by DNA.
B) False. For centuries, farmers have been adjusting the traits of their animals and crops through selective breeding.
C) True. We are still unable to do anything to change inherited traits, so we couldn't have done it previously.
D) False. Scientists have been able to alter DNA in the lab for a long time.
E) True. Farmers have been trying to improve characteristics of their organisms from one generation to the next, but it's never worked.