[求助]LSAT-4-1-18 兽医女生的选择

该兽医女生选择不荼毒生灵，可以有很多理由，选项都说的过去，但答案只有一个？！这题考的是什么ni?

18. Mary, a veterinary student, has been assigned an experiment in mammalian physiology that would require her to take a healthy, anesthetized dog and subject it to a drastic blood loss in order to observe the physiological consequences of shock. The dog would neither regain consciousness nor survive the experiment. Mary decides not to do this assignment.

Mary's decision most closely accords with which one of the following principles?

(A) All other things being equal, gratuitously causing any animal to suffer pain is unjustified.

(B) Taking the life of an animal is not justifiable unless doing so would immediately assist in saving several animal lives or in protecting the health of a person.

(C) The only sufficient justification for experimenting on animals is that future animal suffering is thereby prevented.

(D) Practicing veterinarians have a professional obligation to strive to prevent the unnecessary death of an animal except in cases of severely ill or injured animals whose prospects for recovery are dim.

(E) No one is ever justified in acting with the sole intention of causing the death of a living thing, be it animal or human.

原文：做实验杀掉一只healthy, anesthetized dog ，目的是看反应。M不做，理由是DOG会死。

问题：找个原则，根据这个原则，M不做这个实验是合理的。

A。说的是PAIN，原文是死。错

B。取动物性命是合理的必要条件是这样可以立即助于求其它动物或保护人的健康。原文取动物性命是为了观察一个生理现象。所以必要条件不满足。取动物性命不合理。M不取动物性命是合理的。故为答案。

C。只能合理化M不做动物试验，不能合理化M不取动物性命。错

D。M不是Practicing veterinarians 。错

E。原文取动物性命的目的是为了观察，不是为杀动物。错