Your Friend Mark Is an Avid Organic Food Consumer

Your friend Mark is an avid organic food consumer.He believes that natural foods are the only way to avoid the chemicals that farmers "poison" their crops with.You warn Mark that not all natural foods are free from toxins; indeed,that many foods contain naturally occurring toxic substances.The example you provide could be the solanine commonly found in

A) beets.
B) broccoli.
C) potatoes.
D) anchovies.