What is one example from the passage that provides evidence to support the central idea of the text?
A
"They've selectively bred a rainbow of carrots—purple, red, yellow, even white."B
"Red carrots derive their color mainly from lycopene, a type of carotene believed to guard against heart disease and some cancers."C
"Purple and yellow carrots were eaten more than 1,000 years ago in Afghanistan and 700 years ago in western Europe,' says Simon."D
"The researchers, led by plant geneticist Philipp Simon, haven't limited themselves to the color orange."