Throughout history, more than a few famous people were vegetarians. For example, Pythagoras, the famous Greek mathematician who lived in the fifth century B. C., kept to a wimple diet of bread, honey, and vegetables. Plato and Aristotle were also vegetarians, The poet Percy Bysshe Shelley became a convert to vegetarianism at twenty-one and later wrote a pamphlet in its defense. And Count Tolstoi, the Russian author famous for War and Peace, not only ate no animals; he would eat no eggs. 
A、Most authors have been vegetarians.
B、Some vegetarians eat eggs.
C、Most vegetarians are men.