大家帮忙，几个我根本没找到方向的LSAT

qiqi_cola

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,gratuitiously causing any aminal to suffer pain is unjustified.
B  Taking the life on an animal is not justifiable unless doing so would immediately assist in saving seberal animal lives or in protecting the health of a person.
C  The only sufficient justificatio for experimenting on animals is that future animal suffering is thereby prevented.
D  racting veterinarians have a preofessional 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.

Mayor of Plainsville:In order to help the economy of Plainsville.I am using some of our tax revenue to help bring a major highway through the town thereby attract new business to plainsville.

Citizen's group: You must have interests other than economy in mind.If you were really interested in helping our economy ,you would instead allocate revenues to building a new business park,since it would bring in twice the business that your highway would.

The argument by the citizens' group relies on which one of the following assumptions?
A  lainsville presently has no major highway running through it.
B The majoy accepts that a new business park would bring in more new business than would the new highway.
C The new highway would have no benefits for Plainsville other attracting new business.
D The mayor is required to get approval for all tax revenue allocation plans from the city council.
E Plainsville's economy will not be helped unless a new business park of the sort envisioned the citizens' group is built.


Which one of the following principle,if accepted would most help the citizens' group to justify drawing its conclusion that the mayor has in mind interests other than Plainsville's economy?

A Anyone really pursuing a cause will choose the means that that person believes will advance the cause the farthest.
B Any goal that includes helping the economy of a community will require public revenues in order to be achieved.
C Anyone planning to use resources collected from a group must consult the members of the group before using the resources.
D Any cause worth commiting oneself to must include specific goals toward which one can work.
E  Any cause not pursued by public officials,if it is to be pursued at all.must be pursued by members of the community.