请教大全-11-6,好心人来看看，讨论的解释不大明白！

6.     F: We ought not to test the safety of new drugs on sentient animals, such as dogs and rabbits. Our benefit means their pain, and they are equal to us in the capacity to feel pain.

G: We must carry out such tests; otherwise, we would irresponsibly sacrifice the human lives that could have been saved by the drugs.

Which of the following, if true, is the best objection that could be made from F’s point of view to counter G’s point?

(A) Even though it is not necessary for people to use cosmetics, cosmetics are also being tested on sentient animals.

(B) Medical science already has at its disposal a great number of drugs and other treatments for serious illnesses.

(C) It is not possible to obtain scientifically adequate results by testing drugs in the test tube, without making tests on living tissue.

(D) Some of the drugs to be tested would save human beings from great pain.（E）

(E) Many tests now performed on sentient animals can be performed equally well on fertilized chicken eggs that are at a very early stage of development.

看到解释A为何不行：

A的问题是化妆品和药物不必然具有可比性，就是说可能本质上不同，A完全可以视为无关选项，除非另有条件说明化妆品和药物可类比。

G反驳F的原因是如果不做试验会不负责任地造成人类的无谓牺牲，E说明在有知觉动物身上做的试验其实大部分可以在受精鸡蛋上进行试验，这样可以避免在有知觉动物身上做试验，这样G反驳F的理由就不成立，因为还是可以做试验，可以避免人类的牺牲。E是正解~~