[单项选择]
Reasons for Vegetarianism
Vegetarians choose their diet for many reasons. Some are health - conscious, some believe animal agriculture hurts the environment and others have moral or religious objections to meat.
Vegetarianism has become a popular health diet. Vegetarian favorites like fruit, vegetables, whole grains, and legumes (豆科植物) are low in fat and cholesterol (胆固醇) and rich in fiber, vitamins C and E. The American Dietetic Association even reports that vegetarians have lower blood pressure, cholesterol and body mass indexes than non - vegetarians. Of course, no diet is automatically healthy. Vegetarians must make sure they take in enough protein, calcium and vitamin B12 without overindulging in fatty, high -calorie foods like cheese.
Many vegetarians are as concemed with the Earth’ s well - being as they are with their own. Some vegetarians choose the diet for environmental reasons because they believe traditional agricul
A. prove that many philosophers are/have been vegetarians.
B. show how philosophy contributed to the development of vegetarianism.
C. compare how they differed in the philosophical theories.
D. tell the reader that vegetarianism has had a very long history.