请教大全-D-15，谢谢
15. Susan: Those who oppose experimentation on animals do not properly value the preservation of human life. Although animal suffering is unfortunate, it is justifiable if it can lead to cures for human ailments. 只要动物的实验对人类疾病的治愈有用的，即使动物受伤害，这种具有反对性的实验还是正当的。
Melvin: But much animal experimentation involves testing of ordinary consumer products such as soaps, dyes, and cosmetics.但是很多实验都是针对检测一般消费产品，比如...（意思是说，实验没有对人类人类疾病的治愈有用，反对S的）
Susan: These experiments are justifiable on the same grounds, since cleanliness, convenience, and beauty are worthwhile human values deserving of support.这些实验还是正当的，因为干净，方便和美容是值得的。
Which of the following is the best statement of the logical flaw in Susan’s argument?
(A) Her claim that animal experimentation is justifiable if it supports human values contradicts her claim that such experimentation is justifiable only if it leads to cures for human ailments.
(B) She places a higher value on human cleanliness, convenience, and beauty than she does on the preservation of animal life.
(C) She uses the word “value” in two different senses. C===E
(D) She assumes that all ordinary consumer products aid in the preservation of human life.（E）
(E) She fails to show how mere support for human values actually preserves human lives.
竟然没有人问过？？？为什么不是C？SUSAN说出的一个是疾病，一个是美容，方便等等，与疾病无关的呀，这两方面的价值都不一样啊。不明白为什么E。E什么意思与题目什么关联？不明。
请教 | 
